wambiker Posted July 4, 2005 Share Posted July 4, 2005 Hi all, my brother-in-law has a Mk1 LeMans with a knackered gearbox, and after riding my V11 we were discussing the possibilities of fitting a six speed box to the lemon. I'm sure we can't be the first to think of this so was wondering if anyone had any details of what is involved with this conversion. Cheers Gary Link to comment Share on other sites More sharing options...
Paul Minnaert Posted July 4, 2005 Share Posted July 4, 2005 In the spine frame it's not a big deal. But the tonti frame might be more of a problem. problem is the shorther gearbox, combined with the place where the driveshaft comes out of it. It would need some beer and a long winter, combined with excelent mecanical skils. The spineframe conversion is documented on my homepage. If he wants an easyer solution, I have a centauro 5 speed gearbox for sale. Link to comment Share on other sites More sharing options...
todd haven Posted July 4, 2005 Share Posted July 4, 2005 Contact Todd Eagan at www.guzzitech.com He has researched this more than anyone on the planet. He will know what works, and what doesn't. Link to comment Share on other sites More sharing options...
Mike Stewart Posted July 5, 2005 Share Posted July 5, 2005 Contact Todd Eagan at www.guzzitech.comHe has researched this more than anyone on the planet. He will know what works, and what doesn't. 55536[/snapback] I think Todd tried it and it was going to be too much work. The driveshaft exits in a different location so alot of modification needs to be done to make it work. Also the final drive ratio is different. I do have a 6 speed transmission if you need one. Mike Link to comment Share on other sites More sharing options...
pete roper Posted July 6, 2005 Share Posted July 6, 2005 The simple answer is that no, it can't be done. Yes youcould probably butcher and hack and eventually get it into the old Tonti frame but so much would have to be changed that you'd essentially be building a completely new motorbike . There is, or at least was, a six speed gear-set produced by someone, (Dutch????) that fitted into the five speed casing at one time. To me it's about as neccessary as a parachute in a submarine, good lord, a lot of Ambo owners reckon that the five speed was an un-neccessary complication , lets face it, one of the Guzzi motor's great strength is it's wide spread of useable power and torque. who needs more gears? There is also the matter of different splineforms on the various shafts and things, it would be a nightmare. Just rebuild the old five speeder, shim it up properly and fit a light flywheel. That will improve a standard early LeMans out of sight with no serious farting about!!!! Pete Link to comment Share on other sites More sharing options...
twhitaker Posted July 6, 2005 Share Posted July 6, 2005 To me it's about as neccessary as a parachute in a submarine, good lord, a lot of Ambo owners reckon that the five speed was an un-neccessary complication After one has posessed a trusty Vert he will find the other 4 speeds to be overkill. Link to comment Share on other sites More sharing options...
wambiker Posted July 6, 2005 Author Share Posted July 6, 2005 Thanks for the comments, was an idea that we will now bin and sort out the original box. Cheers Gary Link to comment Share on other sites More sharing options...
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