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Indian Lambretta dive

Posted: Thu Jul 21, 2011 9:45 pm
by spannerman
Just fixed my mates Indian GP200,took for a quick spin SCARY! :o .Have too fight the handle bars, they have a mind of there own ,turning right it wants too dive too the right,would not ride this at any speed,never experienced this before ,think it might be the fork springs but never dealt with these.Any Ideas would be appreciated.

Re: Indian Lambretta dive

Posted: Thu Jul 21, 2011 10:02 pm
by RICSPEED
bent frame

Re: Indian Lambretta dive

Posted: Fri Jul 22, 2011 11:32 am
by bristolmod
Forks- bent?
Springs- broken/ weak?
links- bent/ worn bushes?
spring retaining bits (holds springs in fork tubes at top)- broken/ missing?
spring rods- bent/ broken?
wheel bearings- worn/ broken up
rear bub bearing- knackered?
layshaft/ end plate- loose?
wheel rims (front and rear) loose on hubs?
badly bent frame?
engine mounts worn/ collapsed?
auxillary dampers on front- mismatched/ knackered?

that should keep you going........

Chris

Re: Indian Lambretta dive

Posted: Fri Jul 22, 2011 7:28 pm
by spannerman
ooh err ! :? hub bearings ok no play,spindle ok not bent, forks feel good and look ok at a glance,not sure about frame,no play in rear hub but slight movement in layshaft in/out,had engine apart to clean up crank after blown piston,everything looked solid,front dampers seem to work ok pumped them in /out about the same strength,front wheel rim run out is about 1mm ,need to check other things on your list. need to strip forks I suppose ,never done this ,do you know anywhere that explains how to do this?any help would be great doing this as a favour!!!!! :fb:

Re: Indian Lambretta dive

Posted: Tue Jul 26, 2011 10:13 pm
by spannerman
Have checked everthing without too much strip down,right hand engine mount appears to be strained towards the top! :)
quite possibly the cause?

Re: Indian Lambretta dive

Posted: Tue Jul 26, 2011 10:17 pm
by RICSPEED
spannerman wrote:Have checked everthing without too much strip down,right hand engine mount appears to be strained towards the top! :)
quite possibly the cause?
very possibly as if front and rear wheels are not in alignment both horizontally and along the length of scoot it will give the bent frame symptom that you describe

Re: Indian Lambretta dive

Posted: Tue Jul 26, 2011 10:34 pm
by spannerman
thanks for that Ricspeed, will have to change them to prove it though :)

Re: Indian Lambretta dive

Posted: Tue Aug 09, 2011 9:38 pm
by spannerman
changed engine mounts ,slightly better now, changed rear hub it was totalled + oilseal leaking. everything right as rain now,has done 200 miles since and is happy with it :roll: