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layshaft and sliding dog compatability

Posted:
Wed Feb 18, 2015 11:54 pm
by bjhart
Hi
Can Anyone tell me if the 3speed & 4 speed items are actually the same? The Cento ,starstream and lui parts books all give the same part numbers????
Thanks
Barry
Re: layshaft and sliding dog compatability

Posted:
Thu Feb 19, 2015 2:04 am
by Gary
I'd have thought the 3 speed ones were shorter.
Re: layshaft and sliding dog compatability

Posted:
Thu Feb 19, 2015 7:34 am
by bjhart
Me too but the part numbers listed are the same,hence the question,although the lever only has the same amount of movement maybe the gears are just thinner. I am trying to build a starstream engine from bare casings.....
Re: layshaft and sliding dog compatability

Posted:
Thu Feb 19, 2015 6:57 pm
by Wack
You would need the Starstream layshaft as it uses a cone to hold the hub on, Lui and Vegas are just a spline fit.
Re: layshaft and sliding dog compatability

Posted:
Thu Feb 19, 2015 8:58 pm
by bjhart
Ok thanks for that, what about the Centro layshaft is that the same as the Starstream? I have one of those....
Re: layshaft and sliding dog compatability

Posted:
Thu Feb 19, 2015 10:40 pm
by 57Speedster
My Parts book shows the same layshaft for J50, Cento and J125, 3 speed models, Part number 2005 3002.
The Starstream 4 speed (and Vega 4 speed) layshaft appears to be a different Part number : 2035 3002.
http://www.ebay.co.uk/itm/Innocenti-Lam ... 27ee8c1253Hope that helps