I'm sure this has been covered, but I'm having some clearance issues on my 390. I put BST wheels on and they are great. Good for 2 seconds. The only problem is now I'm starting to drag the right side T-Rex case cover and the back edge of the belly pan. I'm going to swap out the case cover...
Could you please tell me what tools are needed for the 620 mile valve clearance service and what parts, like gaskets, sealing washers, o-rings, etc., need to be replaced. Is engine blocking screw needed?
We have produced a set of titanium valve retainers for RC390's, you may ask why we would do such a thing? We have found that with extended high RPM usage the stock valve retainers will fail. The angles between the collets and the retainers do not match well enough for them to hold they valve...
I've replaced the OE levers with an aftermarket set I'll post up about later. I also have the "racing bubble" windscreen with the headlight cutout. Question to anyone with that screen: Any issues with clearance of either lever and the screen? My clutch side just bumps the screen at full...