Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models
by Nbowe » Mon May 09, 2016 10:49 pm
There seems to be a lot of play in the clutch spider on the splines so when I fit sprocket and torque it up there is quite a bit of rock in the sprocket.The engine is a standard sil gp200 and the spider is from a gp150.Ive put 2shims behind the sprocket but this doesn't stop the spider rockin.do I need a different spider or is this movement correct?
Anybody help me with this.cheers. nick
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Nbowe
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by missing lynx » Mon May 09, 2016 11:43 pm
sounds like the bronze bush needs replacing
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missing lynx
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by Wack » Tue May 10, 2016 6:17 pm
The spider won't rock when the nut is tightened, your problem is either a worn bush, off centre crownwheel or the spider is sitting too far through the crownwheel.
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Wack
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by grandpa » Tue May 10, 2016 7:19 pm
Hi Nbowe,
I tried different bushes (item 22 bush and item 28 shim scoot restorations section 3 clutch) from different sources and never fully eliminated clutch sprocket slop
on an Indian gp150
Have a look at this:
viewtopic.php?f=7&t=3717&p=29854&hilit=rear+sprocket#p29854Grandpa
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grandpa
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by drivera » Tue May 10, 2016 8:45 pm
You can get shims that go behind the clutch spider to stop the sprocket rocking , AF sell them , give them a call
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drivera
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