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KZB2 650 wrote: I knew how hard I'd try I'd get junk down in the motor so I pulled it and mounted it to a car stand and sprayed it out with gas first (I know bad idea Steve's idea on kerosene or diesel is way better) then brake cleaner a little carb cleaner and followed it up with WD40 and then reg motor oil before buttoning it up.The pressure from the cans really got it spot less and thei pan, pump etc will be so much nicer too when your done.

Cheers for the advice. I will take the sump off & give her a good flush through with diesel, jizer & luckily I only bought some brake cleaner 3 days ago!!
Let's see what comes out!

Hi everyone, I haven't been on the forum lately so here's the update on my oil leak!
Thanks for all your help with
Helping me with my problem.
It WAS a hairline crack in the head after all.
Special thanks to scirocco who first spotted it!
I bought another head, stripped it down totally except for the valve guides.
Cleaned up the carbon, ground in the valves, did the shims (great fun)
Got it back together & now no leak !!! Yippee.

Balanced the carbs with a carb balancer,
Now I need to do the air screws adjustments.
I have replaced the 22 mm US carbs with 24 mm ones with an accelerator pump on carb no 2. The pilot screws are on the sides of the carbs now & not underneath.
Can anyone advice me how many turn's out I start with .

Cheers from the rainy UK

All i could find for the 24 carbs are the underneath air screws adjustments





Air screws adjustments on the side of the carbs could be different like 1 1/4 - 1 3/4 turns out.