jeffgilbert
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- 2019 Sidewinder BTX LE
I switched to the 8DN belt this year using the osp adjuster, I have 400 km on this new belt and I am getting a lot of belt dust much more the I did with a 8JP belt. Has anyone else experienced this? I have also notice that my engagement is a little jerky too. I assume the belt dust is a good indication of belt slippage but my clutches aren't extremely hot, I am using ulmers clutch kit it i used a 8JP all last year with no issues I think I may pick up a new 8JP and see if its better
attak_rider
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- 2006 yamaha Apex ulmers clutch kit, air box mod, power commander, reinforced rear susp. pioneer performance tuned shocks
2015 yamaha sr Viper Ltx se, Hurricane 190 turbo kit, ulmers clutching, osp adjuster with 8dn, axys rear and center shock, slp mohawk skis
Following... I have exact same set up, ulmer clutching, 8dn with osp adjuster, hurricane 190 turbo kit, and a lot of dust
putz21
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- '23 Sidewinder LTX LE w/EPS
‘19 Sidewinder LTX SE
I get a lot of belt slippage and belt dust too with the 8DN on long pulls using Ulmer's clutch kit.
If you run 6-1 on secondary with 8dn it does slip. Try a different belt. Some of that could also be brakedust.
attak_rider
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- 2006 yamaha Apex ulmers clutch kit, air box mod, power commander, reinforced rear susp. pioneer performance tuned shocks
2015 yamaha sr Viper Ltx se, Hurricane 190 turbo kit, ulmers clutching, osp adjuster with 8dn, axys rear and center shock, slp mohawk skis
I don't think I'm getting much slippage and I know my belt is adjusted correctly with the osp adjuster
stingray719
TY 4 Stroke God
I run mine on 6-1 with 8dn....no belt dust but I run a clutch setup that engages at around 2700 rpm
attak_rider
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- Snowmobile
- 2006 yamaha Apex ulmers clutch kit, air box mod, power commander, reinforced rear susp. pioneer performance tuned shocks
2015 yamaha sr Viper Ltx se, Hurricane 190 turbo kit, ulmers clutching, osp adjuster with 8dn, axys rear and center shock, slp mohawk skis
so should I go back to the 8jp and give up some top end, or are you saying try like a gates belt?
If you run wide open long pulls the 8dn on 6-1 with pink stock spring and Ulmer red spring will slip. Thats why I run the Dayco XTX but any belt seems to slip less than the 8DN under wide open long runs at top speed.
Conditions Stingray.
attak_rider
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- Snowmobile
- 2006 yamaha Apex ulmers clutch kit, air box mod, power commander, reinforced rear susp. pioneer performance tuned shocks
2015 yamaha sr Viper Ltx se, Hurricane 190 turbo kit, ulmers clutching, osp adjuster with 8dn, axys rear and center shock, slp mohawk skis
I also am engaging under 3000 as well
attak_rider
Lifetime Member
- Joined
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- Ann Arbor, MI
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- Snowmobile
- 2006 yamaha Apex ulmers clutch kit, air box mod, power commander, reinforced rear susp. pioneer performance tuned shocks
2015 yamaha sr Viper Ltx se, Hurricane 190 turbo kit, ulmers clutching, osp adjuster with 8dn, axys rear and center shock, slp mohawk skis
I do run a lot of railroad grades with long pulls so maybe I will try that dayco xtx belt
attak_rider
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- Ann Arbor, MI
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- Snowmobile
- 2006 yamaha Apex ulmers clutch kit, air box mod, power commander, reinforced rear susp. pioneer performance tuned shocks
2015 yamaha sr Viper Ltx se, Hurricane 190 turbo kit, ulmers clutching, osp adjuster with 8dn, axys rear and center shock, slp mohawk skis
what is the specific number of that belt?
XTX5033 it will drop your WFO Rpm by about 200 vs 8dn.
stingray719
TY 4 Stroke God
That and I run a different clutch setup. I pound my 8dn pretty hard especially now with turbo and am very happy with it. I do run a lot of weight in my clutch to help prevent slipping, but I would be more worried about 8JP and dust as I would the 8dn. But yes if you have slipping on top end due to the hardness of the 8dn then a softer belt could help.
Side note: girlfriend filled her track with snow backing up and let it sit and freeze up. Then jumped on and pounded the throttle....SMOKE POURING out of the side...LOL! We freed up the track and off she goes on the same 8dn although it has to have a flat spot now
attak_rider
Lifetime Member
- Joined
- Nov 28, 2014
- Messages
- 37
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- Location
- Ann Arbor, MI
- Country
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- Snowmobile
- 2006 yamaha Apex ulmers clutch kit, air box mod, power commander, reinforced rear susp. pioneer performance tuned shocks
2015 yamaha sr Viper Ltx se, Hurricane 190 turbo kit, ulmers clutching, osp adjuster with 8dn, axys rear and center shock, slp mohawk skis
sorry for the dumb question, what's "WFO?"
