Actually this is some case stuffing to reduce volume a tad and reduce dead spots in flow.

Reprint from Precision Auto Research Fuel tuning a race engine  Any attempt to optimize engine performance is entirely dependant on…

At the CP we build some one off creations. A fun bike we did was a KTM 200 destroked to…

A popular mod to the 36mm carbs used on many KTMs  is an oval bore from 36mm round to 37.5-39mm…