Okay so my grandfather did a complete restoration on this bike in 2010 it was put away into storage after that never started again until he passed earlier this year and I got it so I have no idea what oil is in it I have all receipts showing he put a brand new clutch in it along with a bunch of othe...

73 combat wombat
Starts and idles fine shifts great but when you release the clutch and try to go it engages but doesn’t wanna go anywhere fast and high revs. Looking for direction on where to start to figure this out been through the manual couldn’t find any info or didn’t understand