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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 HONDA XR 400 R

STOCK SPECIFICATIONS:   

85mm BORE X 70mm STROKE   

9.3:1 COMPRESSION

BORE KIT 415cc

#00308 $230.00

87mm forged piston, 10.8:1 compression.

A great option for fast-revving power. Better throttle response, more torque and horsepower.

INCLUDES: Piston, pin, rings, circlips, headgasket, basegasket.

REQUIRES: Boring, rejetting.

BORE KIT 440cc

#00314HC  $315.00

89mm Forged Piston, 11.2:1 Compression

Perfect for riders looking for additional torque and smooth power delivery.

INCLUDES: Sleeve, piston, pin, rings, circlips, headgasket, basegasket

REQUIRES: Re-sleeving of your cylinder, rejetting

BORE KIT - OVERSIZE FOR 89mm BORE KIT +.020”

#00314HC-B  $225.00

89.5mm Forged Piston, 11.2:1 Compression

Oversize for our 440cc bore kit listed above.

INCLUDES: Piston, pin, rings, circlips, headgasket, basegasket

REQUIRES: Must use oversize sleeve provided with any aftermarket 89mm kit.

440cc BORE & STROKE COMBINATION

#00302S-16094LR  $522.00 


87mm BORE, 4.0mm STROKE, 11.2:1 COMPRESSION

This kit provides the best overall power increases, with excellent torque and strong pull throughout the power range and very quick rev. 

INCLUDES:

87mm Bore-In Piston Kit with shorter pin-to-deck height: Piston, pin, rings, circlips, headgasket, basegasket.

4.0mm Stroke. Work done on your crank. Stock rod is used, no rod shrink.

REQUIRES:

Cylinder boring.  Rejetting.  Send in your crank for modification.  Download our Stroker Booklet for details. Your stock rod is re-used with this kit. Parts, if needed, will cost extra.

STAINLESS STEEL VALVES

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

Valves are sold each. 

Purchase 2 Intake valves and 2 Exhaust valves for a complete set of 4:

INTAKE, STANDARD SIZE #24514  $55.00

INTAKE, 1MM OVERSIZE #24514A  $55.00

EXHAUST, STANDARD SIZE #24515  $55.00

EXHAUST, 1MM OVERSIZE #24515A  $55.00

 

 

 

 

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.