Technical > Bike Problems/Questions

ST70 Re-Commission The Fun Begins

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xbally:
OK, so I've changed the oil, squirted some 2T oil down the plug hole, put some 2T in the fuel, checked for a spark but.......the kickstart while partially turning the engine over under compression (with the plug in) doesn't appear to be fully turning the engine over . I don't think it's slipping at the kickstart shaft and will easily turn the engine over with the plug out.

I'm guessing the clutch maybe slipping? I don't know anything about these automatic clutches or how to adjust them and wondered if anyone can point me in the right direction.

I'm armed with a can of Easy Start but that won't work unless I can get the engine properly spinning.

In the old days when I was a lot younger I would have tried bump starting but I don't even know if this is possible with a semi automatic transmission. The sight of a 60 something pushing his nearly as old small motor bike is not something I'm too keen on.

themoudie:
Morning Martin,

Please send me your email via a PM and I will send you a workshop manual for the ST50-70's 1969-1982, via WeTransfer that'll save you cloggy up your email account.

Good health, Bill

xbally:
Morning Bill.

PM sent.

Many thanks.

Martin

themoudie:
Aye Martin, two to you.

Bill

xbally:
Thanks for your help Bill.  ;D

Pushed it up and down the drive in top with the plug out and bike now turns over more readily on the kick start with plug in.

Still not firing though even with Easy Start.

Looks like a carb strip and clean and maybe ultrasonic bath and rebuild might be called for.

Got the wheels off and am going to local bike shop for new tyres and tubes and a battery. Some parts ordered from UK based online store to brighten up corroded items.

It's cleaning up pretty well though. Will post more pics when it's back on its wheels - hopefully next week.

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