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THE FIRST FEATURE on ‘How to Build a Café Racer’ struck a chord. Not everybody who read it agreed with the content, but when it comes to style, there are several different schools of taste.I’m going to focus on the performance side of building a cafe racer. Or street tracker, scrambler, or any custom motorcycle, for that matter. Let’s start by picking the right bike up front to avoid expensive mistakes down the track.View Full Size1. Choose your weapon. The most affordable motorcycles to customi …

For all your tuning needs. Check out Mikuni's handy tuning manual. Tuning Manual.We have been tuning and jetting carbs for over 30 years, and sometimes you still have to read the fine print. Mikuni Carburetors from SpeedMotoCo

User paulages breaks down the similarities between the CB550 DOCH4 and the CB650 DOCH4. A 650 crank can be mated to the cb550 bottom end with minimal machining. To do a big bore on a 650 bottom end you will need cb750 cylinder liners, cb750 pistons, rings, custom head gasket, and standard gasket plus o-rings. The cylinders and top case will both have to be bored out to fit the oversized liners. The new liners will have to be machined to the same height and taper at the bottom a …

 Kawasaki (Oval) holes like the stock ZR-7 headlight, you will have to get the grommets and mounting hardware from Kawasaki as well. If you go with the universal, there are already some nuts welded to the inside, so you just have to run bolts from the outside with a lock washer.Problems list:Ok, lets cover this first, as it will help you decide which variations you want to go with as far as the above parts.1) When I mounted the bucket to the bracket, I needed spacers between the bracket and …

 Small sample of 2 great bikes. Modern Gadgets with old school look.  We have the parts....you have the bike. We have a great selection of parts to get that modern sportbike rolling again. From headlights to tail sections we can help you out.   Here at SpeedMotoCo we race sport bikes. What do we do when they are past there prime on the track? Do we just put down ole Betsy because her glory days are behind her? NO!!  Street fighter or a naked bike!    &nb …