intake

I want install bigger 0.04 inch (1mm) valve slider and exhaust i.e. PCW or.... Has somebody experience? Just rebore current seats? Or must be new corresponding those sizes? Presuming more 5-6 RWHP other and almoast stock, jetting Factory for, headpipes, lazer racing mufflers,Y filter removed...

Do anybody know when stock intake/exhaust cams should theoretically open/close valve, before/after top dead centre (TDC) in degrees? I can?t find this info in manual.

Anyone know? I can't seem to find the info anywhere...

Can propane be used to check for air leaks around the intake manifold? danny

I noticed an oil leak on the left front cylinder under the intake where it mates up to the engine. The bolt there is pretty darn tight so I don't want to tighten it anymore for fear of striping it out. I know oil comes up through that bolt hole just don't know if it goes anywhere. (other than...

Hello trust what the guys have taught me from this site, they know what they are talking about. If i had listened sooner i would have saved a few gray hairs and scraped knuckles. Just got through a carb rebuild. If you are working on your carbs please take a very good look at your intake boots...

I've been chasin odd carburetor issues and ordered new rubbers (all new boots as they are cracked) and o-rings (under the intake manifolds) and noticed oil coming out of the intake bolt holes. Most of them are minimal and some not at all BUT the right rear upper is full of oil. When I wipe it...

both rear rubber boots where carbs connect to manifold seem to be damp with oil cant see oil anywhere else except for on the clamps holding boots on...just cleaned out the breather catch incase that had anything to do with it....any ideas ...can cracked boot cause this problem...if you want...

On the stock airbox there appears to be two hose nipples on the bottom. The rear is larger than the front and the front has a small round foam filter inside where the air filter plugs into. On my bike the rear has a hose that attaches but the front did not. Am I missing a hose or is there no...

DOes anybody have an old set of stock manifolds they might want to sell?

As I am about to attach the intake manifold I have noticed two of the holes in the engine are weeping oil, front left and rear right. Are these the only two holes I need to seal up or do I need to do all six?

Hey guys, i was syncing my carbs and i noticed cracks in the rubber boots in between the carbs and intake manifolds. I sprayed starting fluid on them and didnt notice a change but the cracks look pretty bad so im gonna go ahead and order some new ones. The ones for the vboost look fantastic...