[Ducati] wanted: 916 final drive ratio advice

[Stephen lee]

Ditto on the 14/38 for me 02 ST4s. I had 14/40 but it seemed a bit too low (5100-5200rpms with the needle at 80-85 in 6th. And with the stock set up at 80mph in 6th I would be around 3800-3900rpms (too High and felt slightly sluggish) yet in 5th at 80 I would be at around 4800rpms. Now with the 14/38 in 6th I get about 4200-4300 with the speedo pegged at 80. Feels just right.
  Steve
  Flower Mound, TX

mike major <textike at yahoo.com> wrote:
  I ran 14/38 on my ST4s all the way to Texas, from California, and it was perfectly happy cruising at 80-90 Mph, will run in 6th from 70 on, still has no trouble hitting 140+ when insanity hits me. When I replaced the chain at 18K I went to 15/41 on the theory that the bigger sprockets would result in less chain wear, but there is not doubt that most Ducks are over geared stock and can benefit by gearing down for real world riding. Later, Mike D. Bike

Jules wrote: the last time I was at thunderhill on my 916 I realized I never shifted into 6th and rarely into 5th (only on the straight) topping out at around 140 indicated.

so I'm thinking of switching from my standard 15/36 final drive to a 14/38. is anyone out there running a bigger ratio and if so why? is 14/38 too much already?

also, while ripping into all the ratio info I realized the 916 is one of those wounded models with the 2:1 primary drive ratio. meaning the same gear teeth meet each other every other revolution. has anyone had their primary drive gears fail because of this? my motor's pushing 27K miles. when it's time to do a rebuild I'm wondering if the primary gears can be switched out for something more reasonable... or if it's worth it.

~j

--
j u l e s @ p o p m o n k e y . c o m 
http://www.popmonkey.com/jules


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