Max Power your ATV & Dirt bike big bore & stroker headquarters!

advantages and features

•	Increased water capacity helps reduce engine temperatures
•	6061 billet aluminium outer cylinder increases heat transfer
•	Re-useable rubber head gaskets. (some models)
•	Apticote 2000 ceramic nickel plated cylinder bore
•	Polished/anodized exterior (color options available on most models)
•	Forged/plated aluminium sleeve
•	ATV models include coated piston (add $50 for bike models)
•	Thicker stronger cylinder skirt design




	See what ATVaction has to say about MAX POWER-RPMS' YAMAHA YFZ523 DUNE MONSTER (PDF 2.2MB)		MAX POWER/RPM's MECHANIC/PIT SHIRTS: $45 sizes medium through XXXL!!! NU-FIT FLEX FITTED MAX POWER/RPM's CAPS: $25 two sizes fit all! small/medium OR large/XL Click here for an order form

	523cc Stroker packages ready to ship: To see our full line of YFZ kits click here