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Jubilee with sloppy kick start.

Submitted by john_dunn1 on Sun, 28/08/2016
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Light Twins

After ten years of standing in the back of my shed I decided to turn over my 59 Jubilee only to find that the kick start would not turn over the engine. The kick start just dropped to the bottom without engaging the engine, the return spring did bring it back to the top. I do remember starting the bike about ten years ago and the engine did turn over and start. Could this be anything to do with something sticking such as the clutch.

Regards

John

Submitted by les_howard on Sun, 28/08/2016

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Could be just the pawl in the kick-start ratchet has jammed or rusted in so it doesn't locate in the 1st gear internal teeth

.....I would try pulling the kickstart right down and let it flick back....do this several times and eventually the shock might free up the pawl. Once free it should be OK....but no promises it will come out of hibernation.

To check if the clutch has somehow stuck in the disengaged position (extremely unlikely) put the bike in gear and push it to see if the engine is turned over. The test will be self evident if the clutch is OK.

If this does turn the engine over you might be successful in bump starting it.

If no luck with my first suggestion:

If you do get it started, put the bike on the stand with the engine running and pull down the kickstart and also let it flick back...eventually you should hear the rapid clicking of the pawl if it manages to come out of the stuck in position.

Les

Les

Submitted by john_dunn1 on Sun, 28/08/2016

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Thanks Les

Tried flicking the kick start, did not work. Will try other ideas tomorrow. Did take off the gearbox front cover, visible parts look OK, no rust. I do remember changing all the oils before I started it ten years ago.

Thanks

John.

Submitted by john_dunn1 on Thu, 08/09/2016

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Dan

I,m looking at the exploded pic of the gearbox. Cannot see anything called the pawl. Would this be plate number B55 the kick starter shaft assembly or B58 the kick starter ratchet. If its none of these would you have the plate number.

John

Submitted by les_howard on Fri, 09/09/2016

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Yes it is John.....The kickstart ratchet B58 drives the 1st gear layshaft cog which has the built in kickstart wheel or teeth Part: B48. The mechanism is driven in sideways to mesh.....not like the heavyweight boxes where there is a pawl so I might have confused you earlier....my mistake....one lives and learns....

Les

Submitted by jonathan_soons on Fri, 09/09/2016

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Previously john_dunn1 wrote:

Dan

I,m looking at the exploded pic of the gearbox. Cannot see anything called the pawl. Would this be plate number B55 the kick starter shaft assembly or B58 the kick starter ratchet. If its none of these would you have the plate number.

John

You will have to dismantle and fondle every little piece. Don't expect a full explanation in your head before you start. Mechanics don't work that way. It will become totally clear when you have the oily pieces in your hands and only then.

Love your comment Jonathan! Just watch out for the aliens from another dimension- you know, the ones that materialise behind your back, then make off with the circlips, grub screws and whatnot. There must me an entire planet out there made solely of these....

 


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