Mad Biker specialise in the tuning of 2 stroke yamaha engines for either road or race
We cater for all types of porting and bigbore conversions
Mad Biker tuning can range from a simple blue print to the a 100hp+ bigbore conversion. Whatever your needs we can advise you the best route to take and what you can expect as an outcome
One of our customer came in for another evolution on his already very healthy 73hp (blue line) RD350 YPVS engine. After a bit more work it finished with a monster 78hp (red line) and more torque!