800ss - Anyone Try 15/45 Sprocket Setup? - Ducati.ms - The Ultimate Ducati Forum
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post #1 of 16 (permalink) Old Jul 19th, 2019, 10:50 am Thread Starter
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800ss - Anyone Try 15/45 Sprocket Setup?

Hi All,

I am looking to change my rear sprocket to either 43 or 45 tooth setup while retaining the 15 front sprocket. I have a 2005 800ss, pretty much just ride in the city and am not a fan of the low speed chugging.

I have read a bunch of posts here and looked at gear commander as well. Seems like 15/43 is a popular setup. Has anyone tried the 15/45 setup? Also please let me know your general thoughts as well.

Thanks!

800ss
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post #2 of 16 (permalink) Old Jul 19th, 2019, 12:07 pm
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On my 900SSie I went from the standard 15/40 to 15/43 also based on the many very positive feedbacks, but to be honest I did not feel that significant a change. Maybe if I went back to std. gearing the change would be more evident and I did change over winter, so I did not ride the gearings “back-to-back”.

900SSie 2002 - Senna
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post #3 of 16 (permalink) Old Jul 19th, 2019, 12:17 pm
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That seems really low, even for all city riding. I guess if itís really congested and youíre never, ever riding it at higher speed it would work out . Iíve honestly never heard of anyone gearing a Ducati that low. I ride almost exclusively 2 lane backroads and through small towns with 3-4 stops, and 15/41 is perfect for me. For a while I tried 14/41 but decided to put the 15 back on so that if I wanted to ride faster roads it wasnít screaming in top gear. If youíre smoking clutches constantly Iím sure it would help, but fuel mileage will surely suck and it will be pretty noisy if you donít have stock exhaust.

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post #4 of 16 (permalink) Old Jul 19th, 2019, 1:57 pm Thread Starter
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SalkinSalkin - Thank you for that feedback. Did you have to still feather the clutch at low speeds after the change?

duc96cr - Thank you for your feedback as well. Sounds like you went +4 on the rear as I think your stock setup is 15/37. For the 800ss the stock setup is 15/39, so 15/43 sounds like it would be similar to what you currently have. The newest supersport (939) gearing is 15/43 as well I think based on gear commander. I ride mainly in large downtown cities or suburbs.

800ss
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post #5 of 16 (permalink) Old Jul 19th, 2019, 2:18 pm
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Youíre right, +4 from whatever is stock seems good . I think maybe youíre primary drive ratio is different than a 900.

'96 Ducati SS900CR, '07 S4RS, '06 Busa, '77 Bonny,
'00 Superglide, '85 Sportster, '78 SR500
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post #6 of 16 (permalink) Old Jul 19th, 2019, 2:19 pm
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Quote:
Originally Posted by Duc800ss1 View Post
Hi All,
Also please let me know your general thoughts as well.
Thanks!
I'm an 800SS owner as well....permission to PM and ask a couple unrelated 800 questions? Asking, as to not just barging in and be perceived as invasive.

Thanks, BBB

'95 900SS/SP , '07 SS800 . '98 VFR800
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post #7 of 16 (permalink) Old Jul 19th, 2019, 3:00 pm Thread Starter
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bigbadbass2 - Go ahead message. Happy to answer any questions.

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post #8 of 16 (permalink) Old Jul 19th, 2019, 3:12 pm
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sprocket set-up....

I have been using 15/39 on my 900SS for fifteen years. Then again, the 800SS may have different primary gearing...

Fred

1996 SS/SP B52 40k miles
MBP collets / 748 front rotors / 4.5" rear wheel / Sharkskins / Nichols frame bolts
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post #9 of 16 (permalink) Old Jul 19th, 2019, 4:22 pm
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Careful when comparing gearing online as different bikes/models can also have different internal ratios that make it a apple to orange comparison. Best to stay with opinions from the same model and age/generation.

Almost all Ducati's have too tall gearing as oem so +2 teeth makes it better and fits a stock chain after you change chain length you have more options and often +3 works well. +4 might be great but will need a new chain and a roll of the dice. something to test might be a -1 front (14 teeth) and +2 rear, this would be close to a +4 and if it is too much just change the front back to a 15t with no changing of the chain.
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post #10 of 16 (permalink) Old Jul 19th, 2019, 5:15 pm
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as eric said, those commenting have different models with different primary drive and/or gearbox ratios.

small block 6 speed has a large gap between first and second, which can make gearing it nice a bit hard for low speed stuff. 15/39 is just nuts. when i do m696 chain and sprocket changes i usually go 15/48, which works nicely on them. i'd be reluctant to run 15/45 due to the multiple, but i also want to say that as they run on an even # of links chain, not each other, that's not actually relevant. m696 is 15/45 std, so it cant be that bad. not sure. certainly at least a 43, i'd probably go 45 or 46. but you might also find that the first/second gap influences what you find nice and what reduces the amount of shifting / clutch riding you need to do.

i'd also be looking at the tuning, an 800ss should ride nicely at low speed if set up right.

know all wanker
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