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Powroll

13840 Commercial Lp

Crooked River, OR

97760

 

Mail:

PO Box 920

Redmond OR  97756

 

Phone

541-923-1290

 

Fax

541-923-5637

 

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Powroll - 4 Stroke Performance

 
 

 

Powroll Products for the Yamaha Warrior 350

STOCK SPECIFICATIONS:   

83mm BORE X 64.5mm STROKE  9.2:1 COMPRESSION

 

365cc BORE KIT

85mm Piston, 10.5:1 Compression.

Nice increases in torque and midrange power

INCLUDES: Piston, pin, rings, circlips, headgasket

REQUIRES: Boring, rejetting

00305 Y BORE KIT 365CC -- $265.00

Quantity

430cc BORE & STROKE COMBINATION

86mm Bore, +9.5mm Stroke, 11:1 COMPRESSION

Excellent torque and great midrange power increases.

INCLUDES: 86mm Forged Piston, pin, rings, circlips, headgasket, sleeve. Work done on your crank.

REQUIRES: Your cylinder and cases will need to be machined. Send in your crank for modification.  Download our Stroker Booklet for details.

00272F-16082LR Y BORE-STROKE 430CC -- $650.00
 


Quantity


Piston .50mm Oversize for 430cc Kit

86.5mm + .020” #00272B $215.00

11:1 Compression, Cast Piston. INCLUDES: Piston, pin, rings, circlips, headgasket.

REQUIRES: Bores into Powroll sleeve from our 430cc kit listed above.

00272B Y BORE KIT 430CC +.020 -- $215.00

Quantity


Piston 1.00mm Oversize for 430cc Kit

87mm + .040” #00272D $215.00

11:1 Compression, Cast Piston. INCLUDES: Piston, pin, rings, circlips, headgasket.

REQUIRES: Bores into Powroll sleeve from our 430cc kit listed above.

00272D Y BORE KIT 430CC +.040 -- $215.00

Quantity

Note: Raptor 350 cam design is different, and not interchangeable with the Warrior cam.

CAMSHAFT - TORQUE

HARDWELD CAM, ON YOUR CORE

Lift .390” Intake, .390” Exhaust

Designed for good torque and excellent midrange when used alone. Paired with our 365cc bore kit, it’s a great torque grind for woods riding.

REQUIRES: Send in your good cam core for work, approx. 4 week turn-around.

12742 Y CAM WARRIOR-WOLV TORQUE - ON YOUR CORE -- $150.00

Select to OK:
Quantity


CAMSHAFT - MIDRANGE

HARDWELD CAM, ON YOUR CORE

Lift .430” Intake, .430” Exhaust

Designed for good torque and excellent midrange when paired with a bore kit or bore/stroke combination.

REQUIRES: Valve Springs #24028T.  Send in your good cam core for work, approx. 4 week turn-around.

12708 WARRIOR 350 CAM MIDRANGE - ON YOUR CORE -- $150.00

Select to OK:
Quantity


CAMSHAFT - RACE

HARDWELD CAM, ON YOUR CORE

Lift .430” Intake, .430” Exhaust

The massive duration on this cam makes it a great choice for MX or TT.

Designed to work with our 430 Bore and Stroke combo.

REQUIRES: Valve Springs #24028T. Send in your good cam core for work, approx. 4 week turn-around.

12734 CAM WARRIOR RACE - ON YOUR CORE -- $150.00

Select to OK:
Quantity

VALVE SPRINGS

Designed for use with any higher lift camshaft.

INCLUDES: Spring set (inner and outer springs), Titanium Retainers, Bottom Cups, Heavy Duty Keepers.

24028T Y VALVE SPRINGS WARRIOR -- $110.00

Quantity

STAINLESS STEEL VALVES

Valves are sold each. You will need to purchase 1 intake and 1 exhaust valve for a complete set.

Increased longevity and better airflow characteristics make these a much better deal than OEM replacements.

24520 Y WARRIOR SS VALVE STD INTAKE -- $55.00

Quantity

 


24520A Y WARRIOR SS VALVE 1MM OS INT -- $55.00

Quantity

 


24521 Y WARRIOR SS VALVE STD EX -- $55.00

Quantity

38mm MIKUNI ROUND SLIDE CARB

Pre-Jetted for engines 400cc or larger.

INCLUDES: Throttle Assembly, K&N Filter. Will not work with stock airbox.

20528 Y CARB KIT 38MM -- $400.00

Quantity

Powroll recommends the White Brothers (Vance & Hines) E Series or Supertrapp IDS2 slip-on mufflers for the Warrior. 

We recommend using the stock headpipe with all applications, since it works so well.

 

 

 

Powroll Motor Performance

13840 Commercial Lp  Crooked River, OR  97760     Phone (541) 923-1290    Fax  (541) 923-5637

Copyright © 2010 Powroll Inc.  All rights reserved.  All photos and text are the intellectual property of Powroll and cannot be reproduced without permission.

Descriptions and pricing are subject to change without notice.