Internal Engine Modifications


Product Image Item Name- Model Price
New Yamaha Short Block Engine

New Yamaha Short Block Engine

This is a brand new Yamaha short block complete with new crankshaft, connecting rods and pistons. Transfer over your existing cylinder head, oil...
Yam Short Block $3,198.00

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2016 Yamaha Timing Chain Engine Upgrade Kit

2016 Yamaha Timing Chain Engine Upgrade Kit

This kit contains all parts needed to upgrade to the much stronger 2016 timing chain upgrade. Kit contains the following components: Crankshaft...
2016 upgrade kit $1,498.00

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ARP / RIVA Flywheel Bolt Upgrade Kit 1800cc Engines

ARP / RIVA Flywheel Bolt Upgrade Kit 1800cc Engines

This bolt kit is a high strength replacement for OEM flywheel bolts on all Seadoo & Yamaha 1.8 liter engines. The OEM flywheel bolts are prone to...
RY10840-FWB $29.95

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RIVA 1.8L Adj. Cam Sprocket Kit for 2013-2015 Skis

RIVA 1.8L Adj. Cam Sprocket Kit for 2013-2015 Skis

Adjustable Cam Sprocket Kit delivers a significant increase in horsepower, speed & RPM through easy cam timing adjustment. RIVA's 'Quick-Tune' design...
RY19040-ACS-1 $299.95

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R & D Adjustable Cam Gear Kit 2016+ Yamaha SVHO/SHO/HO

R & D Adjustable Cam Gear Kit 2016+ Yamaha SVHO/SHO/HO

The new R&D Racing Cam Gear kit allows a huge boost in overall horsepower to be gained by custom tuning the Camshafts LSA (lobe separation angle) set...
612-93020 $229.95

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R & D Yamaha Adjustable Cam Gear Kit for 2013+

R & D Yamaha Adjustable Cam Gear Kit for 2013+

R&D's Racing Cam Gear kit allows a huge boost in overall horsepower to be gained by custom tuning the Camshafts LSA (lobe separation angle) set up....
612-93019 $229.95

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R & D Yamaha Adjustable Cam Gear Set for FZ/SHO 2012 & Older Skis

R & D Yamaha Adjustable Cam Gear Set for FZ/SHO 2012 & Older Skis

R&D's Racing Cam Gear kit allows a huge boost in overall horsepower to be gained by custom tuning the OEM Camshafts LSA (lobe separation angle) set...
612-93018 $229.95

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RIVA Yamaha Crankcase Repair Thrust Plate

RIVA Yamaha Crankcase Repair Thrust Plate

Some failures on the Yamaha 1.8L engines involve the crankshaft being pushed forward in the engine. This can be caused by a number of reasons. Some...
RY10040-TB-OIB125 $59.95

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Oil Filter for Yamaha 1800cc engines

Oil Filter for Yamaha 1800cc engines

This filter fits the following skis FX1800- SHO GX1800- FZR GX1800A- FZS FY1800- FXHO
69J-13440-01-00 $24.89

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NGK-LFR6A Spark Plug for Yamaha 1800cc Engines

NGK-LFR6A Spark Plug for Yamaha 1800cc Engines

NGK Spark Plug for all Yamaha 1800cc 4 Stroke Engines. (4 total required)
NGK-LFR6A $11.89

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RIVA Engine Internals Upgrade Kit Yamaha FX-SHO/FZ

RIVA Engine Internals Upgrade Kit Yamaha FX-SHO/FZ

Our Engine Upgrade Kit delivers bulletproof reliability to the Yamaha 1.8L SHO engine in racing and high boost applications. When you're pushing it...
RY10040-EIUK $3,272.80

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Carrillo Connecting Rod Set, YAM SHO (set of 4)

Carrillo Connecting Rod Set, YAM SHO (set of 4)

Our lightweight connecting rods improve the reliability and performance of turbocharged and supercharged watercraft engines. Manufactured to our...
RY19040-9M5709S $1,099.00

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RIVA Yamaha High Performance Valve Set (stock size)

RIVA Yamaha High Performance Valve Set (stock size)

RIVA High Performance Valves are engineered to improve reliability and performance in high-boost supercharged & turbocharged engines. Intake valves...
RY19040-HPV-0 $649.95

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RIVA Yamaha High Performance Valve Set +1MM (over sized)

RIVA Yamaha High Performance Valve Set +1MM (over sized)

RIVA High Performance Valves are engineered to improve reliability and performance in high-boost supercharged & turbocharged engines. Intake valves...
RY19040-HPV-1:1 $699.95

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VALVE LOCK, YAM for use with RIVA/Ferrea single groove valves

VALVE LOCK, YAM for use with RIVA/Ferrea single groove valves

Replacement valve locks for 1 valve
$8.00

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ARP / RIVA Yamaha Pro-Series Crankcase Main Stud Kits

ARP / RIVA Yamaha Pro-Series Crankcase Main Stud Kits

Our ultra high strength crankcase main stud kit is essential equipment when upgrading internal components on your high boost Yamaha engine. Precision...
RY10840-CMSK-1LB $179.95

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ARP / RIVA Cylinder Head Stud Kit Yamaha 1.8L Engines

ARP / RIVA Cylinder Head Stud Kit Yamaha 1.8L Engines

Our ultra high strength cylinder head stud kit is essential equipment when upgrading internal components on your high boost Yamaha engine. Precision...
RY10040-HSK $249.95

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

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

Our Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high compression and high horsepower...
RY10040-CHG-86 $149.95

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R & D YAMAHA 86MM 86mm HP Head Gasket .027” 3 Layer

R & D YAMAHA 86MM 86mm HP Head Gasket .027” 3 Layer

R&D High Performance Racing Head Gaskets were developed to replace the OEM head gasket with a higher performing Multi Layer Steel Stack Design (MLS),...
080-01800 $149.95

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R&D 88mm Head Gasket .027” 3 Layer

R&D 88mm Head Gasket .027” 3 Layer

R&D High Performance Racing Head Gaskets were developed to replace the OEM head gasket with a higher performing Multi Layer Steel Stack Design (MLS),...
080-01804 $149.95

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RIVA Yamaha 1.8L Engine Performance Valve Lifter Buckets

RIVA Yamaha 1.8L Engine Performance Valve Lifter Buckets

RIVA Performance Valve Lifter Buckets are a "must have" item when upgrading your engine's valve train. Designed to withstand the stress of increased...
RY19040-BVL $459.95

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RIVA Valve Train Upgrade Kit Yamaha 1.8L Engines

RIVA Valve Train Upgrade Kit Yamaha 1.8L Engines

Our Valve Train Upgrade Kit increases the reliability of your modified engine by reducing the possibility of valve float at high rpm. Includes...
RY19040-VTU-2 $649.95

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RIVA Valve Retainers Upgrade Kit Yamaha 1.8L

RIVA Valve Retainers Upgrade Kit Yamaha 1.8L

Our Valve Retainer Upgrade Kit increases the reliability of your engine by reducing the possibility of valve float at high rpm. Includes 16...
RY19040-SRU $349.95

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RIVA Valve Train Upgrade Tool Kit

RIVA Valve Train Upgrade Tool Kit

Our overhead Valve Compression Tool allows easy removal of valve springs and keepers without removing cylinder head. Includes compression adapter to...
RY19040-VCT $219.95

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CP Piston Kit, Yamaha VXR, 86mm, 11.5:1

CP Piston Kit, Yamaha VXR, 86mm, 11.5:1

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
CARR-VXR-115-3386 $225.75

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CP Yamaha 8.6:1 86 mm Piston

CP Yamaha 8.6:1 86 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
M1077A $205.75

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CP Yamaha 8.6:1 86.5 mm Piston

CP Yamaha 8.6:1 86.5 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
M1082A $205.75

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CP Yamaha 8.6:1 87 mm Piston

CP Yamaha 8.6:1 87 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
CARR-YA-86-3425 $205.75

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CP Yamaha 9.5:1 86 mm Piston

CP Yamaha 9.5:1 86 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
M1078A $205.75

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CP Yamaha 9.5:1 86.5 mm Piston

CP Yamaha 9.5:1 86.5 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
M1083A $205.75

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CP Yamaha 9.5:1 87 mm Piston

CP Yamaha 9.5:1 87 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
CARR-YA-95-3425 $205.75

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CP Yamaha SVHO 8.5:1 86 mm Piston

CP Yamaha SVHO 8.5:1 86 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
CARR-SVHO-85-3386 $205.75

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CP Yamaha SVHO 8.5:1 86.5 mm Piston

CP Yamaha SVHO 8.5:1 86.5 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
CARR-SVHO-85-3406 $205.75

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CP Yamaha SVHO 8.5:1 87 mm Piston

CP Yamaha SVHO 8.5:1 87 mm Piston

CP forged racing pistons deliver maximum reliability and performance in high boost supercharged & turbo applications. High strength piston kits...
CARR-SVHO-85-3425 $205.75

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CP 86MM RING SET (for one piston)

CP 86MM RING SET (for one piston)

CPN-3386 $35.00

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WORX Yamaha Billet Engine Coupler

WORX Yamaha Billet Engine Coupler

Billet Drive coupler for Yamaha 1.8 Engine Fits any 1.8 Yamaha Engine Billet construction huge strength upgrade over stock cast unit Utilises OEM...
WR04003 $382.00

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RIVA/Darton Yamaha 1.8L Pro-Series Cylinder Sleeves

RIVA/Darton Yamaha 1.8L Pro-Series Cylinder Sleeves

Our new bulletproof sleeve system is the ultimate foundation for your high performance engine. Engineered specifically for the Yamaha SHO engine by...
RY10040-SLV-470 $549.95

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R & D Yamaha 1.9L Big Bore Engine Kit 9.5:1 compression

R & D Yamaha 1.9L Big Bore Engine Kit 9.5:1 compression

$1,459.95 FZR 1.9 Liter 9.5-1 Big Bore Engine Kits R&D has developed a 1.9 Liter Big Bore Kit for the Yamaha FZR and SHO Supercharged engines that...
992-18088 $1,459.95

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R&D/JE SHO / FZR / FZS 10.5-1 COMPRESSION (4 set kit)

R&D/JE SHO / FZR / FZS 10.5-1 COMPRESSION (4 set kit)

R&D JE YAMAHA SHO/FZR/FZS FORGED PISTON KIT 10.5-1 (4 Piston Kit) FOR OEM BORE R&D Yamaha SHO/FZR Forged Racing Piston Kits have been developed for...
432-18105 $723.40

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RIVA Yamaha 1.8L Engine Pro-Series Sleeves

RIVA Yamaha 1.8L Engine Pro-Series Sleeves

Our high-quality ductile iron replacement sleeves are considerably harder and more abrasion resistant than OEM sleeves providing excellent oil...
RY10040-SLV-615 $79.95

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CP Yamaha FZR/SHO Big Bore 88mm 9.5-1 Forged Piston Kit

CP Yamaha FZR/SHO Big Bore 88mm 9.5-1 Forged Piston Kit

R&D Yamaha SHO/FZR Forged Racing Piston Kits have been developed for the hard core race enthusiasts or precision engine builders who are looking to...
CP Big Bore 88mm 9.5:1 CR $864.95

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R & D High Performance Racing Cylinder 88mm Big Bore Replacement Sleeve

R & D High Performance Racing Cylinder 88mm Big Bore Replacement Sleeve

R&D High Performance Racing Sleeves are made to precise specifications specific for the Yamaha SVHO-FX Supercharged engine. R&D Racing Sleeves...
432-18088 $117.00

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R & D Yamaha SHO/FZ High Performance Racing Cylinder Sleeve Standard 86mm

R & D Yamaha SHO/FZ High Performance Racing Cylinder Sleeve Standard 86mm

R&D High Performance Racing Sleeves are made to precise specifications specific for the Yamaha FZR/SHO Supercharged engine. R&D Racing Sleeves...
432-18000 $117.00

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R & D Yamaha Super Single Valve Spring/Ti Retainer Kit/Cup

R & D Yamaha Super Single Valve Spring/Ti Retainer Kit/Cup

R&D has developed an economical solution for upgrading the upper valve train by offering a one stop shopping parts upgrade kit that will work great...
612-94000 $549.95

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RIVA/Web Cam Billet Racing Cam Set

RIVA/Web Cam Billet Racing Cam Set

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...
RY19040-BCS-141 $1,499.95

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R & D Yamaha SHO/SVHO RC1 Racing Cam Kit

R & D Yamaha SHO/SVHO RC1 Racing Cam Kit

Please note: This is a cam regrind service for your stock camshafts. Please ship your cams to the following address after placing your order: R&D...
612-93009 $749.95

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R & D Yamaha SHO/SVHO RC2 Racing Cam Kit

R & D Yamaha SHO/SVHO RC2 Racing Cam Kit

Please note: This is a cam regrind service for your stock camshafts. Please ship your cams to the following address after placing your order: R&D...
612-93010 $749.95

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R & D Yamaha SHO/SVHO RC3 Racing Cam Kit

R & D Yamaha SHO/SVHO RC3 Racing Cam Kit

Please note: This is a cam regrind service for your stock camshafts. Please ship your cams to the following address after placing your order: R&D...
612-93011 $1,080.18

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Hot Cams Valve Shim Kit

Hot Cams Valve Shim Kit

Complete shim 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...
0925-0011 $99.95

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R & D Yamaha FZR Cam Tensioner Tool

R & D Yamaha FZR Cam Tensioner Tool

The R&D Cam Tensioner Tool is designed to mechanically spring preload the cam chain in order to set and verify cam timing. This eliminates the...
612-92015 $49.95

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R & D Yamaha Top Dead Center Dial Indicator kit for 1800cc engines

R & D Yamaha Top Dead Center Dial Indicator kit for 1800cc engines

The R&D Dial Indicator Kit is custom designed to mount directly into the Yamaha 1800cc head, making the job of finding top dead center to change cam...
612-80011 $99.95

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R & D Yamaha High Performance Bottom Spring Retainer Cups

R & D Yamaha High Performance Bottom Spring Retainer Cups

R&D spring retainer cups will install under the R&D valve spring and support and house the bottom of the spring securely. The R&D Spring Retainer...
612-93006 $107.14

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R & D Yamaha Valve Shim Kit 1800 Engine .010

R & D Yamaha Valve Shim Kit 1800 Engine .010

The R&D spring base collar shims offer precision valve spring tension shimming to fine tune spring seat pressures based on boost pressures the engine...
612-93003 $32.95

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R & D Yamaha Valve Shim Kit 1800 Engine .020

R & D Yamaha Valve Shim Kit 1800 Engine .020

The R&D spring base collar shims offer precision valve spring tension shimming to fine tune spring seat pressures based on boost pressures the engine...
612-93004 $32.95

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R & D Yamaha Valve Shim Kit 1800 Engine .030

R & D Yamaha Valve Shim Kit 1800 Engine .030

The R&D spring base collar shims offer precision valve spring tension shimming to fine tune spring seat pressures based on boost pressures the engine...
612-93005 $32.95

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R & D Yamaha SHO/FZR High Performance Valve Stem Seal Kit

R & D Yamaha SHO/FZR High Performance Valve Stem Seal Kit

R&D offers High Performance Valve Stem Seal Kits manufactured from only the best high quality Viton rubber materials that will resist high valve...
612-93007 $76.95

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RIVA Yamaha 1.8L Engine Performance Valve Seals

RIVA Yamaha 1.8L Engine Performance Valve Seals

Our high quality viton seals are extremely resistant to heat and abrasion. Superior sealing keeps unwanted oil from contaminating combustion chambers...
RY19040-PVS-1 $59.95

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Complete Yamaha Engine Tool Set

Complete Yamaha Engine Tool Set

1 x YW-06730 Crankshaft Holder $99.60 1 x YW-06723 Flywheel Puller $117.30 1 x YW-01080 Center bolt for Flywheel Puller $13.26 1 x YW-06721...
$1,967.34

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CP Replacement Ring Kit (set for 1 piston)

CP Replacement Ring Kit (set for 1 piston)

This is a replacement ring kit for a CP piston. This kit is for one single piston. Please leave a note in the comments section when you place the...
CP replacement ring set (1 pisto $35.00

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RIVA Yamaha 1.8L Engine Valve Seal Tool

RIVA Yamaha 1.8L Engine Valve Seal Tool

This handy tool provides easy removal and installation of valve stem seals on Yamaha 1.8L engines. Allows seal installation during fitting of valve...
RY19040-VST $49.95

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R & D Yamaha Valve Stem Concentricity Gauge

R & D Yamaha Valve Stem Concentricity Gauge

The R&D Valve Stem Concentricity Gauge features a rugged, positive stop that can be set once and the trueness for an entire set of valves can be...
612-80010 $299.95

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YW-06721 Crankshaft Holder

YW-06721 Crankshaft Holder

YW-06721
$338.74

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WORX Oil Cooler Relocate Plate

WORX Oil Cooler Relocate Plate

This billet plate mounds on all Yamaha 1.8 engine blocks where the oil cooler mounts and allow you to install fittings to run to a external oil...
Yam Oil Cooler Re Mount $220.00

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CP FZR/SHO Big Bore 88mm 8.6-1 Forged Piston Kit

CP FZR/SHO Big Bore 88mm 8.6-1 Forged Piston Kit

R&D Yamaha SHO/FZR Forged Racing Piston Kits have been developed for the hard core race enthusiasts or precision engine builders who are looking to...
CP Big Bore 88mm $864.95

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CP FZR/SHO High Performance 10.5-1 Forged Piston Kit

CP FZR/SHO High Performance 10.5-1 Forged Piston Kit

R&D Yamaha SHO/FZR Forged Racing Piston Kits have been developed for the hard core race enthusiasts or precision engine builders who are looking to...
432-19105 $864.95

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Yamaha Camshaft Wrench for 1800cc engines

Yamaha Camshaft Wrench for 1800cc engines

Used to turn the camshafts on Yamaha 1800cc engines
90890-06724 $119.90

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RIVA Yamaha/Kawasaki Valve Compression Tool

RIVA Yamaha/Kawasaki Valve Compression Tool

Our overhead Valve Compression Tool allows easy removal of valve springs and keepers without removing cylinder head. Includes compression adapter to...
RY19040-VCT $219.95

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