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Message started by Steddy58 on 06/05/17 at 21:32:48

Title: front pulley mod
Post by Steddy58 on 06/05/17 at 21:32:48

Hi, I think I remember seeing a graph someone posted showing the difference that Dave's front pulley mod made to the speeds shown but can I find it? No is the simple answer to that, could someone please point me in the right direction-thanks

Title: Re: front pulley mod
Post by justin_o_guy2 on 06/05/17 at 22:21:48

I wanna say it's an 8.9ish % gearing increase, maybe less, but it starts with 8,,
It's really nice. It's a lot more relaxed at open road speeds.
It's still got fun acceleration. The only downside I've seen is in town where the limit is low. Instead of shifting up and just rolling along I worry about lugging it, and I have marked the speedometer with a China marker with the shift points and MPH .
IF your speedometer was accurate before the pulley swap then indicated 60 MPH will now be so close to 65 that nobody will know.

Title: Re: front pulley mod
Post by Dave on 06/06/17 at 02:03:24

I don't believe a chart has been made for the Kawasaki pulley - but here is the link to the thread on the charts.
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1341164470

The pulley change is 25/23 = 1.087%. So 60 mph is now 65.2....real close to what JOG said - but you are in the UK so 100 Kph is not 108.7 KPH!

Title: Re: front pulley mod
Post by Steddy58 on 06/06/17 at 03:45:44

Thanks for that Dave and JOG2-Dave we still do it the proper way in the U.K. good old mph none of this dodgy kph, the europeans only invented kph so it sounds like they're going faster than us ;)

Title: Re: front pulley mod
Post by hotrod on 06/06/17 at 14:52:02

Just to make sure : What year and model can a Kawasaki front pulley be used ? Thanks.

Title: Re: front pulley mod
Post by Dave on 06/06/17 at 15:12:12

I don't know for sure the entire list of models/years. The EN454 from 85-90 works.....and the Vulcan 500....... but I don't know what years.

But it is not a "bolt on" deal. without some work on a lathe or milling machine. The pulley has to be machined thinner where the shaft slides through - and the splines are hardened and pretty tough on the carbide cutting tools (frequent sharpening).