Performance Motor Work Supporting a team of the very best Freestyle / Freeriders in the world proves our motors are world class caliber. Having owned and supported many stand up watercraft from 1985 - to present, Lehr Performance Watercraft / Freeride Unlimited has the experience to take your Yamaha, Kawasaki, Polaris to the next level. Performance Cylinder Porting In OEM production the sleeve to casting mismatch is significant. Blueprinting brings this cylinder spec back to where it was designed. Cylinder porting, if done properly, will add power where you need it with little to no loss in reliability. Porting can be taylored to your specific needs. Whether it be basic performanceenhancing for the recreational rider, to all the bottom end for the freestylist, or for maximum RPM for the racer. Prices starting at $350.00 Big Bore Option As any motor head knows, "There is no replacement for Displacement." The Yamaha 61x cylinder is the most popular platform for the freerider. LPW / FU has developed a bullet proof BigBore motor, available in two formats. Standard 84mm domed, or 85mm flat top. These motors put the power where you want it... Hard off the Bottom!! Instant throttle response, full true powerband, and exceptional performance make these options perfect for the rider who wants the best for his/her riding. Our surf riders are tough on equipment! These packages have undergone extensive testing, with exceptional results. Reliability is number 1 with these motors. Packages starting at $1250.00 Aftermarket Cylinder / Stroker Options These are the motors that seperate the men from the boys! World class power starts from the cylinders for ADA or DASA / Dan Lamey. Among added crankshaft stroke options, these motors are a work of art. Having extensive knowledge in these motors is where the ultimate power is developed. Motor options are available in bore sizes from 81mm - 91mm and stroke lengths from +4mm to +10mm. Please call for more information. Short block motor options starting at $5000.00 All parts available seperately too.