STOCK SPECIFICATIONS:    47mm BORE X 41.4mm STROKE

BORE KIT 80CC

49.5mm piston, 9.5:1 compression

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

REQUIRES: Boring, rejetting.

RECOMMENDATIONS: We recommend our Performance Exhaust system with this kit for the best overall performance!

00036N H BORE KIT 80CC -- $160.00

BORE KIT - OVERSIZE FOR 80cc kit

 50mm piston, 9.5:1 compression. +.020” Oversize for #00036N.

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

REQUIRES: Boring, rejetting.

00036NB H BORE KIT 80CC +020 -- $160.00

STROKER 9.5mm

98cc's with our 49.5mm Bore Kit

INCLUDES: Work done on your crank. No parts included. Your crank may require additional parts.

REQUIRES: Send in your crank for modification.  Download our Stroker Booklet for details.

RECOMMENDATIONS: Works best with Powroll pistons. Modifications may be required if using other piston or cam brands.

16015 H STROKE XR75 -- $275.00

POWROLL PERFORMANCE EXHAUST

Our oversize downswept head and 3” Supertrapp are designed specifically to bring out the best in this small engine without making it impossible for kids to ride. Spark Arrested & Forestry Approved.

18336 H EXH SYS XR75 -- $250.00