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Yamaha Cylinder Head Components

Yamaha 1.8L/1.9L Top Dead Center Dial Indicator Tool

TDC TOOL

This tool is necessary when installing upgraded valve springs or retainers. It is essential to get cylinder #1 at top dead center to get the cam timing perfect and ensure peak performance. THIS TOOL IS ONLY COMPATIBLE WITH YAMAHA 1.8L/1.9L HO, SHO, AND SVHO ENGINES!...

  • $106.00
    TDC.jpeg

    Yamaha 1.8L/1.9L Top Dead Center Dial Indicator Tool

  • $106.00
  • This tool is necessary when installing upgraded valve springs or retainers. It is essential to get cylinder #1 at top dead center to get the cam timing perfect and ensure peak performance. THIS TOOL IS ONLY COMPATIBLE WITH YAMAHA 1.8L/1.9L HO, SHO, AND SVHO ENGINES!...

    RIVA Yamaha 1.8L Engine Cover Billet Knob Set - Black

    RY19040-KS-BLK

    These precision machined billet aluminum knobs provide quick and easy access to your engine for maintenance & cleaning. Directly replaces original steel mounting screws securing engine cover that are prone to corrosion. A practical upgrade that installs in minutes and looks awesome! Provides ...

  • $64.95
    ry19040-ks-bk_web_1.webp

    RIVA Yamaha 1.8L Engine Cover Billet Knob Set - Black

  • $64.95
  • These precision machined billet aluminum knobs provide quick and easy access to your engine for maintenance & cleaning. Directly replaces original steel mounting screws securing engine cover that are prone to corrosion. A practical upgrade that installs in minutes and looks awesome! Provides ...

    RIVA Yamaha 1.8L Engine Cover Billet Knob Set - Blue

    RY19040-KS-BLU

    These precision machined billet aluminum knobs provide quick and easy access to your engine for maintenance & cleaning. Directly replaces original steel mounting screws securing engine cover that are prone to corrosion. A practical upgrade that installs in minutes and looks awesome! Provides ...

  • $64.95
    F144802868.jpg

    RIVA Yamaha 1.8L Engine Cover Billet Knob Set - Blue

  • $64.95
  • These precision machined billet aluminum knobs provide quick and easy access to your engine for maintenance & cleaning. Directly replaces original steel mounting screws securing engine cover that are prone to corrosion. A practical upgrade that installs in minutes and looks awesome! Provides ...

    RIVA Yamaha 1.8L Engine Cover Billet Knob Set - Red

    RY19040-KS-RD

    These precision machined billet aluminum knobs provide quick and easy access to your engine for maintenance & cleaning. Directly replaces original steel mounting screws securing engine cover that are prone to corrosion. A practical upgrade that installs in minutes and looks awesome! Provides ...

  • $64.95
    F14479732777.jpg

    RIVA Yamaha 1.8L Engine Cover Billet Knob Set - Red

  • $64.95
  • These precision machined billet aluminum knobs provide quick and easy access to your engine for maintenance & cleaning. Directly replaces original steel mounting screws securing engine cover that are prone to corrosion. A practical upgrade that installs in minutes and looks awesome! Provides ...

    RIVA Yamaha 1.8L Billet Engine Oil Filler Cap

    RY19040-OC-RD

    Our Billet Aluminum Engine Oil Filler Cap adds durability and a custom look to your engine compartment. Precision machined from 6061 billet aluminum and anodized for a long lasting and durable finish. Direct replacement for original plastic oil cap on all Yamaha 1.8L HO, SHO & SVHO engines. Includes...

  • $54.95
    F14479731666.jpg

    RIVA Yamaha 1.8L Billet Engine Oil Filler Cap

  • $54.95
  • Our Billet Aluminum Engine Oil Filler Cap adds durability and a custom look to your engine compartment. Precision machined from 6061 billet aluminum and anodized for a long lasting and durable finish. Direct replacement for original plastic oil cap on all Yamaha 1.8L HO, SHO & SVHO engines. Includes...

    RIVA Yamaha 1.8L Billet Engine Oil Filler Cap - Blue

    RY19040-OC-BLU

    Our Billet Aluminum Engine Oil Filler Cap adds durability and a custom look to your engine compartment. Precision machined from 6061 billet aluminum and anodized for a long lasting and durable finish. Direct replacement for original plastic oil cap on all Yamaha 1.8L HO, SHO & SVHO engines. Includes...

  • $54.95
    F144802875.jpg

    RIVA Yamaha 1.8L Billet Engine Oil Filler Cap - Blue

  • $54.95
  • Our Billet Aluminum Engine Oil Filler Cap adds durability and a custom look to your engine compartment. Precision machined from 6061 billet aluminum and anodized for a long lasting and durable finish. Direct replacement for original plastic oil cap on all Yamaha 1.8L HO, SHO & SVHO engines. Includes...

    RIVA Cylinder Head Stud Kit Yamaha 1.8L Engines

    RY10040-HSK

    Our ultra high strength RIVA cylinder head stud kit is essential equipment when upgrading internal components on your high boost Yamaha engine. Precision machined from premium grade 8740 alloy and heat treated to exacting tolerances, these studs dramatically increase reliability & ease of maintenanc...

  • $279.95
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    RIVA Cylinder Head Stud Kit Yamaha 1.8L Engines

  • $279.95
  • Our ultra high strength RIVA cylinder head stud kit is essential equipment when upgrading internal components on your high boost Yamaha engine. Precision machined from premium grade 8740 alloy and heat treated to exacting tolerances, these studs dramatically increase reliability & ease of maintenanc...

    RIVA Yamaha SHO/HO Racing Cam Set

    RY19040-BCS-141

    Our Billet Racing Cams add 20 peak horsepower and increased torque throughout the rpm range in your modified SHO engine. Made for us by Web Cam and precision ground to our specification from 8620 billet steel that is heat treated for maximum strength. Features added oil ports in cam lobe contact are...

  • $1,624.99
    F144791186.jpg

    RIVA Yamaha SHO/HO Racing Cam Set

  • $1,624.99
  • Our Billet Racing Cams add 20 peak horsepower and increased torque throughout the rpm range in your modified SHO engine. Made for us by Web Cam and precision ground to our specification from 8620 billet steel that is heat treated for maximum strength. Features added oil ports in cam lobe contact are...

    RIVA Yamaha/Kawasaki Valve Spring Compression Tool

    RY19040-VCT-YAM

    Our overhead Valve Compression Tool allows easy removal of valve springs and keepers without removing cylinder head. Includes compression adapter to pressurize cylinder keeping valves in place during removal of stock springs and keepers. Fits both Yamaha 1.8L & Kawasaki 1.5L 4-stroke engines....

  • $279.95
    F144770960.jpg

    RIVA Yamaha/Kawasaki Valve Spring Compression Tool

  • $279.95
  • Our overhead Valve Compression Tool allows easy removal of valve springs and keepers without removing cylinder head. Includes compression adapter to pressurize cylinder keeping valves in place during removal of stock springs and keepers. Fits both Yamaha 1.8L & Kawasaki 1.5L 4-stroke engines....

    Calas Performance Yamaha Retainers

    FF-YM-VT-0044

    Calas Performance Yamaha set includes sixteen retainers that are manufactured with high quality military certified Titanium alloy and are CNC machined for a tight fit. Retainers are extremely strong, lightweight and wear resistant. Retainers are made to fit OEM factory valve spring set....

  • $262.00
    FF-YM-VT-0044-2T.jpg

    Calas Performance Yamaha Retainers

  • $262.00
  • Calas Performance Yamaha set includes sixteen retainers that are manufactured with high quality military certified Titanium alloy and are CNC machined for a tight fit. Retainers are extremely strong, lightweight and wear resistant. Retainers are made to fit OEM factory valve spring set....

    EAST SIDE PWC Yamaha Performance Valve Set

    EAST SIDE yam valves

    Intake Our race series valve is forged from an EV-8 alloy then heat treated and stress relieved with a solution style heat treat process for better control through and through. This process produces a better overall product with proper material grain flow that results in superior longevity & re...

  • $599.00
    yamvalve.jpg

    EAST SIDE PWC Yamaha Performance Valve Set

  • $599.00
  • Intake Our race series valve is forged from an EV-8 alloy then heat treated and stress relieved with a solution style heat treat process for better control through and through. This process produces a better overall product with proper material grain flow that results in superior longevity & re...

    RIVA Valve Retainers Upgrade Kit Yamaha 1.8L

    RY19040-SRU

    Our Valve Retainer Upgrade Kit increases the reliability of your engine by reducing the possibility of valve float at high rpm. Includes 16 lightweight, precision-machined titanium valve retainers. A must for IJSBA & APBA Stock Class race craft and . Note: For highly modified engines we recommend...

  • $376.95
    f144955810_8i6prs7w7gyhtbmi.webp

    RIVA Valve Retainers Upgrade Kit Yamaha 1.8L

  • $376.95
  • Our Valve Retainer Upgrade Kit increases the reliability of your engine by reducing the possibility of valve float at high rpm. Includes 16 lightweight, precision-machined titanium valve retainers. A must for IJSBA & APBA Stock Class race craft and . Note: For highly modified engines we recommend...

    RIVA Yamaha Valve Train Upgrade Kit, 1.8L

    RY19040-VTU-2

    Our Valve Train Upgrade Kits increase the reliability of your modified engine by reducing the possibility of valve float at high rpm. Includes lightweight, precision-machined titanium valve retainers, racing valve springs, and base washers....

  • $698.95
    F144790389.jpg

    RIVA Yamaha Valve Train Upgrade Kit, 1.8L

  • $698.95
  • Our Valve Train Upgrade Kits increase the reliability of your modified engine by reducing the possibility of valve float at high rpm. Includes lightweight, precision-machined titanium valve retainers, racing valve springs, and base washers....

    Supertech Yamaha Dual Valve Springs and Titanium Retainers Kit

    SPRK-EC3025D-FZR

    Seat Pressure: 75 @34.7mm Open Pressure: 198 @ 10mm Max Lift: 15.70mm Coil Bind: 19mm Rate: 12.30mm Retainer: RET-YA3020 Seat Locator : SEAT-YA3020

  • Retail Price
    $625.00
  •  
  • Discounted Price
    $543.75

  • Save: 13% off
    SPRK-EC3025D-FZR.png

    Supertech Yamaha Dual Valve Springs and Titanium Retainers Kit

  • Retail Price
    $625.00
  •  
  • Discounted Price
    $543.75

  • Save: 13% off

    Seat Pressure: 75 @34.7mm Open Pressure: 198 @ 10mm Max Lift: 15.70mm Coil Bind: 19mm Rate: 12.30mm Retainer: RET-YA3020 Seat Locator : SEAT-YA3020...

    Supertech Yamaha Single Valve Springs and Titanium Retainers Kit

    SPRK-EC3027S-FZR

    Press.Seat: 58lbs @34.70mm Press.Open: 143 @10mm Coil Bind: 20.70mm Max Lift: 14.00mm Retainer: RET-YA3020 Seat Locator : SEAT-YA3020

  • Retail Price
    $567.00
  •  
  • Discounted Price
    $493.29

  • Save: 13% off
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    Supertech Yamaha Single Valve Springs and Titanium Retainers Kit

  • Retail Price
    $567.00
  •  
  • Discounted Price
    $493.29

  • Save: 13% off

    Press.Seat: 58lbs @34.70mm Press.Open: 143 @10mm Coil Bind: 20.70mm Max Lift: 14.00mm Retainer: RET-YA3020 Seat Locator : SEAT-YA3020...

    Supertech Yamaha Valve Set

    supertech yam valves

    Complete set of 16 valves Intake and Exhaust. Eight 29mm standard sized exhaust valves manufactured by Supertech & Set of 8 high performance 1 groove 34mm standard intake valves manufactured by SuperTech Intake Made exclusively from an enhanced versions of EV8 (21-4N) steel. This is the highes...

  • Retail Price
    $735.95
  •  
  • Discounted Price
    $610.84

  • Save: 17% off
    intake_2_1200x1200.webp

    Supertech Yamaha Valve Set

  • Retail Price
    $735.95
  •  
  • Discounted Price
    $610.84

  • Save: 17% off

    Complete set of 16 valves Intake and Exhaust. Eight 29mm standard sized exhaust valves manufactured by Supertech & Set of 8 high performance 1 groove 34mm standard intake valves manufactured by SuperTech Intake Made exclusively from an enhanced versions of EV8 (21-4N) steel. This is the highes...

    Supertech Single Yamaha Exhaust Valve

    supertech yam valves 1 Exhaust

    Single (1) valve Exhaust 29mm standard sized exhaust valves manufactured by Supertech Exhaust Made from one piece, forged Inconel alloy, fully CNC machined, has a hard chrome treatment and a hard tip. Excellent for those looking to rebuild the cylinder head, or replacing bent valves, and w...

  • $52.00
    supertechsingle exhaust.png

    Supertech Single Yamaha Exhaust Valve

  • $52.00
  • Single (1) valve Exhaust 29mm standard sized exhaust valves manufactured by Supertech Exhaust Made from one piece, forged Inconel alloy, fully CNC machined, has a hard chrome treatment and a hard tip. Excellent for those looking to rebuild the cylinder head, or replacing bent valves, and w...

    Supertech Single Yamaha Intake Valve

    supertech yam valves 1 Intake

    Single (1) valve Intake 34mm standard intake valves manufactured by SuperTech Intake Made exclusively from an enhanced versions of EV8 (21-4N) steel. This is the highest grade of steel available and provides the strength to withstand just about any application. Inconel is an alloy that cope ...

  • $38.00
    supertechsingle intake.png

    Supertech Single Yamaha Intake Valve

  • $38.00
  • Single (1) valve Intake 34mm standard intake valves manufactured by SuperTech Intake Made exclusively from an enhanced versions of EV8 (21-4N) steel. This is the highest grade of steel available and provides the strength to withstand just about any application. Inconel is an alloy that cope ...

    RIVA Yamaha Exhaust Valve, 1.8L Standard (single)

    RY19040-single exhaust valve

    This is a standard size, single replacement exhaust valve from the RIVA Performance Valve set.

  • $53.00
    RY19040-IVS-1.jpg

    RIVA Yamaha Exhaust Valve, 1.8L Standard (single)

  • $53.00
  • This is a standard size, single replacement exhaust valve from the RIVA Performance Valve set....

    RIVA Yamaha Intake Valve, 1.8L +1mm (single)

    RY19040-IVS-1

    This is a +1mm oversize, single replacement intake valve from the RIVA Performance Valve set. (part# RY19040-HPV-1:1)

  • $39.00
    RY19040-IVS-1.jpg

    RIVA Yamaha Intake Valve, 1.8L +1mm (single)

  • $39.00
  • This is a +1mm oversize, single replacement intake valve from the RIVA Performance Valve set. (part# RY19040-HPV-1:1)...

    RIVA Yamaha Intake Valve, 1.8L Standard (single)

    RY19040-IVS

    This is a standard size, single replacement intake valve from the RIVA Performance Valve set.

  • $36.00
    RY19040-IVS-1.jpg

    RIVA Yamaha Intake Valve, 1.8L Standard (single)

  • $36.00
  • This is a standard size, single replacement intake valve from the RIVA Performance Valve set....

    RIVA Yamaha Performance Valve Set, 1.8L +1mm (over sized)

    RY19040-HPV-1:1

    RIVA High Performance Valves are engineered to improve reliability and performance in high-boost supercharged & turbocharged engines. Intake valves are built from high grade EV-8 (24-4N) stainless that is extremely resistant to corrosion. Exhaust valves are built from inconel alloy (IN-751) that is ...

  • $752.95
    F144779585.jpg

    RIVA Yamaha Performance Valve Set, 1.8L +1mm (over sized)

  • $752.95
  • RIVA High Performance Valves are engineered to improve reliability and performance in high-boost supercharged & turbocharged engines. Intake valves are built from high grade EV-8 (24-4N) stainless that is extremely resistant to corrosion. Exhaust valves are built from inconel alloy (IN-751) that is ...

    RIVA Yamaha Performance Valve Set, 1.8L Standard

    RY19040-HPV-0

    RIVA High Performance Valves are engineered to improve reliability and performance in high-boost supercharged & turbocharged engines. Intake valves are built from high grade EV-8 (24-4N) stainless that is extremely resistant to corrosion. Exhaust valves are built from inconel alloy (IN-751) that is ...

  • $698.95
    F144779592.jpg

    RIVA Yamaha Performance Valve Set, 1.8L Standard

  • $698.95
  • RIVA High Performance Valves are engineered to improve reliability and performance in high-boost supercharged & turbocharged engines. Intake valves are built from high grade EV-8 (24-4N) stainless that is extremely resistant to corrosion. Exhaust valves are built from inconel alloy (IN-751) that is ...

    RIVA Yamaha 1.8L Engine Performance Valve Lifter Buckets

    RY19040-BVL-KIT

    RIVA Performance Valve Lifter Buckets are a "must have" item when upgrading your engine's valve train. Designed to withstand the stress of increased valve spring tension and RPM in modified engines that can cause stock components to fail. Our lightweight valve lifter buckets are CNC machined from he...

  • $494.95
    ry19040_bvl.jpg

    RIVA Yamaha 1.8L Engine Performance Valve Lifter Buckets

  • $494.95
  • RIVA Performance Valve Lifter Buckets are a "must have" item when upgrading your engine's valve train. Designed to withstand the stress of increased valve spring tension and RPM in modified engines that can cause stock components to fail. Our lightweight valve lifter buckets are CNC machined from he...

    RIVA Yamaha 1.8/1.9L Performance Valve Guides

    RY19040-PVG-KIT

    Our Yamaha Performance Valve Guides provide greatly improved durability for performance applications. A must for racing and high performance engine operation. Sold in sets of 16. Key Features: Constructed of Aluminum/Bronze/Nickle Alloy. Dramatically improves reliability in high boo...

  • $191.95
    F144978839.jpg

    RIVA Yamaha 1.8/1.9L Performance Valve Guides

  • $191.95
  • Our Yamaha Performance Valve Guides provide greatly improved durability for performance applications. A must for racing and high performance engine operation. Sold in sets of 16. Key Features: Constructed of Aluminum/Bronze/Nickle Alloy. Dramatically improves reliability in high boo...

    RIVA Yamaha 1.8L Engine Performance Valve Seals

    RY19040-PVS-1

    Our high quality viton seals are extremely resistant to heat and abrasion. Metal body holds it's shape under extreme conditions. Spring loaded wipers keep unwanted oil from contaminating combustion chambers and prevent air leakage through valve guides. Precision seal removal & installation tool is a...

  • $64.95
    F144770847.jpg

    RIVA Yamaha 1.8L Engine Performance Valve Seals

  • $64.95
  • Our high quality viton seals are extremely resistant to heat and abrasion. Metal body holds it's shape under extreme conditions. Spring loaded wipers keep unwanted oil from contaminating combustion chambers and prevent air leakage through valve guides. Precision seal removal & installation tool is a...

    Complete set of 16 Factory Yamaha Valve Guides for Yamaha 1.8L Engines

    16 x 6S5-11133-10-00

    Set of factory Yamaha valve guides for cylinder head (16 total)

  • $719.95
    6S5-11133-10-00 (1).jpg

    Complete set of 16 Factory Yamaha Valve Guides for Yamaha 1.8L Engines

  • $719.95
  • Set of factory Yamaha valve guides for cylinder head (16 total)...

    RIVA 1.8L Pro-Series Cylinder Head Gasket Yamaha 86MM

    RY10040-CHG-86

    Our Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high compression and high horsepower applications delivering maximum reliability to your racing engine. Key Benefits Include: Three layer stainless construction for durability & corrosion resis...

  • $161.95
    RY10040-CHG-86 (Std.).JPG

    RIVA 1.8L Pro-Series Cylinder Head Gasket Yamaha 86MM

  • $161.95
  • Our Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high compression and high horsepower applications delivering maximum reliability to your racing engine. Key Benefits Include: Three layer stainless construction for durability & corrosion resis...

    RIVA 1.8L Pro-Series Cylinder Head Gasket Yamaha 87MM

    RY10040-CHG-87

    Our RIVA Yamaha 1.8L Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high-boost and high horsepower applications delivering maximum reliability to your racing engine. This 87mm head gasket was designed to work for applications with +1 sized pistons. ...

  • $161.95
    F144791183.jpg

    RIVA 1.8L Pro-Series Cylinder Head Gasket Yamaha 87MM

  • $161.95
  • Our RIVA Yamaha 1.8L Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high-boost and high horsepower applications delivering maximum reliability to your racing engine. This 87mm head gasket was designed to work for applications with +1 sized pistons. ...

    RIVA 1.8L Pro-Series Cylinder Head Gasket Yamaha 88MM

    RY10040-CHG-88

    Our RIVA Yamaha 1.8L Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high-boost and high horsepower applications delivering maximum reliability to your racing engine. This 87mm head gasket was designed to work for applications with +1 sized pistons. ...

  • $161.95
    F144791183.jpg

    RIVA 1.8L Pro-Series Cylinder Head Gasket Yamaha 88MM

  • $161.95
  • Our RIVA Yamaha 1.8L Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high-boost and high horsepower applications delivering maximum reliability to your racing engine. This 87mm head gasket was designed to work for applications with +1 sized pistons. ...

    Hot Cams Valve Shim Kit 9.48mm

    0925-0011

    Hot Cams shim kits enable you to precisely shim the valve train of your modified Yamaha or Kawasaki 4-stroke engine. Kits include three 9.48mm shims in each size ranging from 1.20 to 3.50 (increments of 0.05). Made from 4140 cold rolled steel....

  • $114.95
    F144775848.jpg

    Hot Cams Valve Shim Kit 9.48mm

  • $114.95
  • Hot Cams shim kits enable you to precisely shim the valve train of your modified Yamaha or Kawasaki 4-stroke engine. Kits include three 9.48mm shims in each size ranging from 1.20 to 3.50 (increments of 0.05). Made from 4140 cold rolled steel....

    Hot Cams Valve Shim Kit 7.48mm for TR-1 Engines

    0925-0010

    Hot Cams shim kits enable you to precisely shim the valve train of your modified Yamaha or Kawasaki 4-stroke engine. Kits include three 9.48mm shims in each size ranging from 1.20 to 3.50 (increments of 0.05). Made from 4140 cold rolled steel....

  • $114.95
    BCEA704D-F7B4-4AAB-9608-F0B7FA0AD23D.jpeg

    Hot Cams Valve Shim Kit 7.48mm for TR-1 Engines

  • $114.95
  • Hot Cams shim kits enable you to precisely shim the valve train of your modified Yamaha or Kawasaki 4-stroke engine. Kits include three 9.48mm shims in each size ranging from 1.20 to 3.50 (increments of 0.05). Made from 4140 cold rolled steel....

    The GreenHulk PWC Performance Parts Store has been the number one trusted source for PWC enthusiasts since 2006. We carry only the aftermarket parts and accessories for your Sea Doo, Yamaha Waverunner and Kawasaki Jetski that have been tested and proven. In addition, most of our performance parts have been discussed in great depth by some of the most skilled PWC tuners in the world on our forums at GreenHulk.net. In addition to personal watercraft performance upgrades, we sell factory OEM replacement parts for all skis, Honda, Yamaha, Kawasaki, Suzuki and Can-Am dirt bikes, street bikes, Quads, ATV, UTV and Yamaha outboards.

    We offer the absolute best customer service in the industry, guaranteed. We look forward to serving your needs!