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Yamaha RS Warrior
Engine Performance Parts

ALL of our Warrior Performance Parts feature the experience and quality of
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Yamaha RS Warrior / MT-01 PERFORMANCE PISTONS
 

RS Warrior Performance Pistons

Proprietary part designed by PR and mfg by JE.10.25:1 Hi-Comp Piston Kit for stock bore Warrior. Kit comes complete with pistons, rings, wrist pins and clips. Stronger performance throughout the rev range. No hassles with other modifications. These just drop right in and you’re ready to go.

Sug. Retail $429.95
PCS Price $419.95

3004

 


Yamaha RS Warrior / MT-01 BIG BORE KIT (re-plated)
 

RS Warrior 108 CI Big Bore Kit (re-plated)

This Big Bore Kit has been developed to dramatically increase the performance of your engine. Send us your cylinders and we will bore & hone to 108 CI then “replate” them. PR will then custom repaint cylinders and (custom highlight all fin edges on Midnight Star model). Kit comes complete with oversize piston kit (pistons, rings, wrist pins and clips) and oversize head gaskets. “Stock” base gaskets not included.

More Info

Sug. Retail $1425.95
PCS Price $1409.95
Piston Gasket Set
$89.95

3830

 


Yamaha RS Warrior / MT-01 BIG BORE KIT (re-sleeved)
 

RS Warrior Big Bore Kit

Years of experience enables Patrick Racing to offer you the best performance and value in custom modifications. This Big Bore Kit has been developed to dramatically increase the performance of your engine. Oversize liners are installed in (your) stock cylinders then precision bored and honed. Kit comes complete with oversize piston kit (pistons, rings, wrist pins and clips) and oversize head gaskets. “Stock” base gaskets not included. You send us your cylinders and we’ll do the rest!

108 CI (1775 cc) Big Bore Kit
Sug. Retail $1425.95
PCS Price $1409.95
110 CI (1810 cc) Big Bore Kit
Sug. Retail $1425.95.00
PCS Price $1409.95
Piston Gasket Set
$89.95

3016, 3017

 


Yamaha RS Warrior / MT-01 HEAD PORT & POLISH
 

RS Warrior Head Port & Polish

STAGE 1

Years of experience enables Patrick Racing to offer you the best performance and value in custom headwork. The Stage 1 kit includes custom porting and Serdi valve job on (your) cylinder heads. Send us your heads and we'll do the rest!

Sug. Retail $1199.95
PCS Price $1179.95

3007

 


Yamaha RS Warrior / MT-01 HEAD PORT & POLISH Stage 2
 

RS Warrior Head Port & Polish

STAGE 2

The Stage 2 kit includes the “complete” oversize valve application. PR will custom port and complete Serdi valve job, throat your valve seats for oversize valve application and install (8) new valves and springs. Send us your heads and we'll do the rest!

  • 2mm oversize one-piece stainless intake/exhaust valves
  • Custom PR high lift spring kit
  • Titanium retainers
Sug. Retail $1899.95
PCS Price $1879.95

3807

 


Yamaha RS Warrior / MT-01 FLAT TAPPET CAM KIT
 

RS Warrior Flat Tappet Cam Kit

Originally developed in 1999 and perfected over the years. All parts in this cam kit are proprietary and cannot be mixed and matched with other stock or aftermarket parts. Complete kit comes with hard weld cams, ceramic faced hydraulic lifters and adjustable aluminum push rods. 400 lift / 238 duration. Kit must be used with PR Hi-Lift Spring Kit (shown below). Kit requires (good, stock) cam core exchange or a $400.00 core charge deposit.

Sug. Retail $1399.95
PCS Price $1389.95
Cam Core Required

3044

Core charge is 90% refundable (for 30 days) upon receipt of good stock cores. 50% refundable if good stock cores are received (31 – 60 days). No refund is given if cores are not received after 60 days.
 


Yamaha RS Warrior / MT-01 VALVE SPRING KITS
 

RS Warrior Valve Spring Kits

Custom Patrick Racing heavy duty hi-lift springs. Kit includes inner and outer springs, lowers and titanium retainers. American made for the best performance possible. A must when using the PR Cam Kit (#3044).

Sug. Retail $314.00
PCS Price $303.95

3046

 


Yamaha RS Warrior / MT-01 Billet Push Rod Tubes

Yamaha RS Warrior / MT-01 Billet Push Rod Tubes Polished
 

RS Warrior Billet Push Rod Tubes

Sold in pairs. These collapsible push rod tubes make push rod adjustments a breeze. No need to take apart the top end anymore to make a simple adjustment. Tubes gently pull apart for adjustment and then snap back in place when done. Not only are they practical, but also have a custom look that turns heads. CNC machined from billet aluminum with a brushed machine finish. O-rings included.

Billet Push Rod Tubes
Sug. Retail $295.00
PCS Price $284.95
Billet Push Rod Tubes Polished
Sug. Retail $339.00
PCS Price $324.95

3052, 3055

 


Yamaha RS Warrior / MT-01 Crankshaft Balancing
 

RS Warrior Crankshaft Balancing

Send us your crankshaft, PR will disassemble and lighten to your specifications. Then dynamically balance on our state-of-the-art balancing machine and reassemble. Application for Warrior & MT-01 models.

Crankshaft Balancing & Lightening Call for Pricing

 

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