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| correct chain for 89 900 ss http://ducatipaso.org/forum/viewtopic.php?f=13&t=7958 |
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| Author: | steveT2 [ Fri Aug 31, 2018 1:56 pm ] |
| Post subject: | correct chain for 89 900 ss |
I'm thinking of treating the 900 to a nice Shiney gold link chain, can anyone confirm the chain spec, its on standard sprockets/gearing, 520/98 ? Thanks |
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| Author: | angelix [ Sat Sep 01, 2018 12:03 am ] |
| Post subject: | Re: correct chain for 89 900 ss |
Original gearing (Final) was 15/37, which is way too tall for that engine. with that gearing @ 8500 RPM you would be going at 142MpH (Max RPM should be 9000) I would go for a 15/39 or 15/40, you loose few miles at the top end (maybe 4-5) but you will gain some "umpf" around the mid range where the old SS900 has a couple of deeps in the torque curve. to check if you like the shorter gearing you can "borrow" a 14T front sprocket which will work fine with the standard chainring and chain legth; 1T less at the front = aproximately +3T at the back so a 14/37 would be very similar to a 15/40 Bare in mind that the 14T would/could chew the chain on the long term (too much stress, especially on the of V2) , so it is prefereable to keep the 15T ; my suggestion is only to test the gearing before committing to a new complete setup. with the 15/39-40 you will need to add a couple of chain links I just did my SS750 (+2 at the back) and I like it better than before; the same goes for my 907ie, wher ebefore I had to keep changing 2-3 gears, now I keep the 3rd in and enjoy better the ride. |
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| Author: | steveT2 [ Sat Sep 08, 2018 8:27 pm ] |
| Post subject: | Re: correct chain for 89 900 ss |
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