[andyfrost]

If the felt is still intact , simply wash it in petrol , dry it thoroughly and put a couple of drops of engine oil on it , squeaze gently between thumb and forefinger…….job done.

Andy.

[andyfrost]

“I agree that the Bingham working days were fun and it’s a shame when these things develop into competitions because the fun aspect tends to get forgotten and the pursuit of prizes is all consuming.”

Absolutely spot on , the very reason that I never have , or will get involved in ploughing events.

Andy.

[andyfrost]

Only my opinion , but I would NEVER skimp when it comes to magneto components , it’s worth every penny to renew all the components , it will give you effortless starting every time.
Forget about testing with a multimeter , there is a very good reason why purpose built ignition testers were made.
George at villiersparts used to do the complete kit for the 25c , he may still do , either way he would be able to supply all the parts that you’ll need.
The cam that you refer to is the “electronic govenor” , if you tease it GENTLY with a suitable screwdriver you should be able to just open it , if it’s opening and closing OK , then simply leave it alone.

Andy

[andyfrost]

That seems to appear the wrong strength govenor spring.

Andy.

[andyfrost]

Peter , any chance of a pic of your govenor weight housing assembly.
Can you manually rev the engine and feel the govenor working??

Andy.

[andyfrost]

Peter , you’ll get there , the various throttle systems on JAPs are all fairly straightforward.

Andy.

[andyfrost]

Peter , it’s just not noisey enough….. but very nice.

[andyfrost]

Small components = blasting cabinet, Larger components= various wirewheels and elbow grease.

Andy

[andyfrost]

And mine , a HUGE thanks to all involved.

Andy.

[andyfrost]

Sort you cyl. head bolt issues , try again and get back to us.

Andy

[andyfrost]

Measure the diameter of the two pulley wheels and the centre to centre of the shafts ,allow 1/2″for the clutch give these figures to your belt supplier and he should be able to supply.

Andy.

[andyfrost]

The cowling has three further bolts , that go through the magneto backplate and into the cowling, one is as “2o’clock” one at “10 o’clock” and one at “6 o’clock”.

Andy.

[andyfrost]

Remove the cylinder head first and check the bore for any undue scoring , if it seems OK , then replacement rings are available. If oil starvation has damaged the bore , I would opt for a replacement engine , good used ones regularly turn up on the well known auction site..
Depending on how much you’re prepared to spend ,brand new Honda copies are available which will fit straight on.

Andy.

[andyfrost]

A company called flails direct will help you out. and yes Gem ones are different.

Andy.

[andyfrost]

Angus , just checked my messages and nothing new has come through.

Andy.

[Author]

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