Mar 22nd 2021
I recently purchased the above package and I have quite a few questions. I am a novice builder and wanted input on best methods.
1. Based on what I'm reading from manufacturer specs on all billet parts and flat top piston I will have to grind down my crankshaft, is this correct? If so what is the best method?2. Are chromoly push rods recommended? If not what length is recommended and how does that effect other internals?3. Are the stock rocke… Read more
Mar 20th 2021
Looking for assistance in putting an order together for a rebuild on my 420. I see you have many options for certain parts.
Here are the parts to build a solid cart engineRing gear flywheelWithout ring gearThese flywheels have the stock timing at 24 degrees BTDC. I would prefer a 6 degree advance key be used with either flywheel.Use this rodWe have the stock replacement piston with rings here.I like this cam for you.or we c… Read more
Mar 19th 2021
Do you have any images or instructions as to how this piece is put together?
It is fairly straightforward once you get started.
Remove the two screws that hold the two chrome halves together. Take the screws out and separate the halves. The throttle tube with the grip will come out of that chrome housing.
Unscrew the adjustment screw from the housing. Align the split in the fitting and nut to allow the inner cable with the barrel end to co… Read more
Mar 19th 2021
Do I put a little oil on the bushing or just put it on the bike dry?
I always oil the bushing before installing any clutch. Use regular, non-synthetic motor oilThe bronze is porous and will absorb oil. It will slowly release the oil as the clutch gets warm. Because of this, you should give that bushing a couple of drops of oil after every 2 hours of normal use.If your gearing is for high speed, that can get clutches very hot and you sho… Read more