Bimota Forum

[welshlamb]

1) standard sprocket ratios on DB2 15/37. Thinking of going to 39T rear on my standard engine bike to aid acceleration. If I had 100 HP+ (you 944cc boys out there!) then 37 might be enough. Any DB2/4 users played with their gearing??

2) after ordering a DB2 specific 15T sprocket from AFAm it was of course not right. Looks like Wieres in Germany is the only supplier that's proven?
Before I pull the trigger
-Anybody used a Wieres DB2 sprocket
-Anybody else want to order at same time as €15 p&p on a €25 item gets my goat..however understandable.
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Not as many bikes as I would like and already too many to keep up with!

[bimotanige]

standard Ducati sprocket for 900ss will do, just get local engineering shop to turn the centre out for the location washer by 2mm if I remember correctly. See pic in your DB post thread
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KB1x2, SB3 SB4 BB1 DB2 Vdue Evo YB11 RB1 Ducati MHR Suzi GS650

[2bims]

Already got myself a couple of spares...one of which I had put aside for you.......Yeh...machine shop can turn out a standard...Vort had it done for his DB4 that shares the same issue...machine shop wasnt happy though after doing it...cost them 3 hardened bits in the process to turn out from a hardened front sprocket......

[bimotanige]

cheap tips and poor set up !! http://www.productionmachining.com/articles/tooling-up-for-hard-turning
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KB1x2, SB3 SB4 BB1 DB2 Vdue Evo YB11 RB1 Ducati MHR Suzi GS650