Kick Starter problems on 150 - MVAgusta.net
 
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post #1 of 4 (permalink) Old 04-25-2018, 11:45 AM Thread Starter
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Kick Starter problems on 150

The engine on my 150 was rebuild by others before I acquired it. However the kick started seems to have a lot of "lost" movement, it moves about a quarter of a turn (from 12 o'clock to 3 o'clock) before it starts to turn the engine. As it is it does very little in the way spinning the engine over. Before I take it apart, anyone have any thoughts? Thanks.,
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post #2 of 4 (permalink) Old 04-26-2018, 12:57 PM
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Hello there Jack's the Lad,
I'm not familiar with this particular engine but on my 175, it would be one of 2 things.
1/ Movement of the kick start lever on the spindle. On the 175 engine it's connected with a tapered cotter pin and the pin wears. So even when it's fully tight you get some rotational lost movement between the 2. In my opinion, this is the most likely cause.
2/ A problem with the fixed plate in the gearbox that pushes the ratchet back when the kick starter is up (to disengage the ratchet from the starter gear). This plate could be loose but I think it's unlikely.
Hope this helps.
Ron
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post #3 of 4 (permalink) Old 04-27-2018, 05:37 AM Thread Starter
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Thanks Ron, like you my first thoughts were the fit of the kick starter on it's shaft, but no, that is OK. The problem lies elsewhere it seems.
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post #4 of 4 (permalink) Old 04-28-2018, 03:14 PM
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Hi,
It sounds like you have a problem with the kick start ratchet or the spring that pushes it out.
In which case the only option is to remove the kick start shaft. This can be done without removing the engine and splitting the crankcases. Just remove the primary side cover then there's a small casting held with 2 screws. Remove these and the kick start just lifts out. I'd lean the bike over to the mag side to reduce the risk of the gear dropping. If you look in my gallery on this site, you'll see some photos of what the 175 engine parts look like.
Ron
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