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Gearbox cogs

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

Gearbox cogs

Postby gaz_powell » Thu Nov 23, 2017 3:10 pm

Might seem a daft question but having never mixed and matched before , can a SIL GP200 1st gear be a straight swap for a Italian one ??

Cheers

Gaz
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Re: Gearbox cogs

Postby Tractorman » Thu Nov 23, 2017 5:13 pm

I don't think so because the outer diameters of the gears are different. The Indian is 115.3 mm. whilst the Italian is117.5. I think this why the first 'Indian' set I bought locked up once the endplate was fitted.
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Re: Gearbox cogs

Postby gaz_powell » Thu Nov 23, 2017 6:48 pm

Interesting, glad I checked before I bought one......onto the wanted section now !!
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Re: Gearbox cogs

Postby HxPaul » Thu Nov 23, 2017 7:35 pm

Tractorman wrote:I don't think so because the outer diameters of the gears are different. The Indian is 115.3 mm. whilst the Italian is 117.5. I think this why the first 'Indian' set I bought locked up once the endplate was fitted.

Thats not always the case though,some of the 50 tooth Italian and Spanish first gears are 115.3 and some of the Indian ones are 117.5.You only need to look in the back of Sticky's manual.
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Re: Gearbox cogs

Postby dscscotty » Thu Nov 23, 2017 9:10 pm

can a SIL GP200 1st gear be a straight swap for a Italian one ??


Italian GP/SX150 will match an Italian 125/200 1st gear!
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