Anyone Have A Projects On The Go?

[coxylaad]

Looks a beast.

Nearest to a project I've done is fit a 640 engine into my 620 KTM because the original had started to weep oil a bit from here and there. Found a dirt cheap 640 (the clue should have been in that fact) with an oil leak 'probably from the cracked sight glass' was how it was described.

When it was delivered by courier I found the sight glass wasn't cracked and had to fit it in the bike to run it, and find oil leaks from the base gasket (constant slow dribble) output shaft oil seal, kinked copper washer under a banjo bolt and an internally damaged braided oil hose.

 

But yeah it was perfect apart from the cracked sight glass ! Replacing the base gasket revealed a broken oil ring at the bottom of the piston too.

 

It only really cost a gasket set, piston ring and cheap seal so still a bargain, and it has a high flow head so increases in throttle in 1st gear makes it want to flip over backwards . I can't wheelie , intentionally, very well, but I'm getting plenty of easy practice now !

 

was the 640 engine a big jump in performance over the 620?

At one point I had in my position an insurance write off 690 duke that was seriously considering turning into a supermono for the track, that was shortly before I sold it and set about building the MT09 TRX. I hardly rode the thing the jump of the throttle was tremendous and borderline scary!

 

 

Projects?

Ha! The list is long but not much with bikes.

 

Cleaning the headers on me TDM, plucking up the courage to file down some cheap spanners so I can strip and lube the rear suspension on the trials bike. Might be easier to get huge feeler gauges and cut a hex on the end..

 

funny Ive been doing a bit of that. I have discovered if your headers are really dirty and stained, a powerfile with an old worn out sanding belt on it makes short work of the outer crud, without touching the metalwork:





 

 

Having said all that, my mate is cajoling me to hold the end and make tea while he "develops" his 72 CB125 twin. For some strange reason he wants to carry on the twin theme and put two turbas on it..  Be rude not to be at his side and mock his efforts.

 

CB125 TWIN turbo??? did I read that right?

This post was last modified: 29-07-2022, 07:49 AM by coxylaad.