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Author Topic: Dark side effects on clutch and tranny  (Read 1371 times)
Moonshot_1
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Posts: 5112


Me and my Valk at Freedom Rock


« on: November 07, 2009, 02:43:50 PM »

Was talking with a favorite ol'timer of mine and he saw my GY triple tred on the back end.
Of course, conversation about it followed.

One of the questions he had and that I've also been wondering about is what effects does a darksided bike have on it's tranny and clutch being there is now sigificantly more traction and thereby force being delivered to the tranny and clutch. Both when accelerating and downshifting and decelerating in particular.

What has been the experiences of you all? Particularly, those of you who have many miles on car tires.
Have you done anything to mitigate the effects? Are there any adverse effects?

Thanks
Mike
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Mike Luken 
 

Cherokee, Ia.
Former Iowa Patriot Guard Ride Captain
Valkpilot
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Posts: 2151


What does the data say?

Corinth, Texas


« Reply #1 on: November 07, 2009, 02:49:04 PM »

20k of the 50k on my bike are Darkside miles.  My drivetrain looks and feels new.  DS riders don't seem to be over-represented among those that have had u-joint, bearing, or rear spline failures.  Clutch failures seem rare in general.
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VRCC #19757
IBA #44686
1998 Black Standard
2007 Goldwing 
 
   
Willow
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Posts: 16631


Excessive comfort breeds weakness. PttP

Olathe, KS


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« Reply #2 on: November 07, 2009, 03:08:54 PM »

One of the questions he had and that I've also been wondering about is what effects does a darksided bike have on it's tranny and clutch being there is now sigificantly more traction and thereby force being delivered to the tranny and clutch. Both when accelerating and downshifting and decelerating in particular.

Maybe a more effective question would be how many of you when you ran a motorcycle tire on the rear would noticeably break traction accelerating or downshifting?

That question would tell you whether the additional traction of a car tire made any functional difference to the clutch and tranny.

I'm guessing that how the rider manages (or misuses) his clutch and transmission would have much more impact than a change in tire.

Just my guess.   Wink
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Misfit
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Posts: 2143


Colorado Springs Colorado


« Reply #3 on: November 07, 2009, 06:54:57 PM »

That same clutch and tranny pushes Valkyrie trikes with two car tires in the rear for many many miles.
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If you're lucky enough to ride a Valkyrie, you're lucky enough.

RoadKill
Member
*****
Posts: 2591


Manhattan KS


« Reply #4 on: November 07, 2009, 06:58:54 PM »

I break traction ANY time I want to (rather frequently  Smiley )and only when i want to. 35 to 40k on dark side and I may possibly ride one of the most abused Valkyrie on this planet. Clutch holds all abuse and transmits it directly into tire smoke. Transmission is just as noisy as it was the day I bought it aprox 60k miles ago. I'm sure the added traction is harder on components due to my aggressive and down right abusive riding but the old girl seems to like it and has not complained in the slightest. Evil
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Moonshot_1
Member
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Posts: 5112


Me and my Valk at Freedom Rock


« Reply #5 on: November 07, 2009, 07:11:07 PM »

Just a follow up. I want to make it clear that I am not experiencing any ill effects from going to the darkside and am just exploring the question as to possible long term effects and if there are any suggestions to mitigate the effects if there are any.

So far the lady likes her new shoe.
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Mike Luken 
 

Cherokee, Ia.
Former Iowa Patriot Guard Ride Captain
stude31
Member
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Posts: 1100


Topeka,ks


« Reply #6 on: November 08, 2009, 05:37:42 AM »

One of the questions he had and that I've also been wondering about is what effects does a darksided bike have on it's tranny and clutch being there is now sigificantly more traction and thereby force being delivered to the tranny and clutch. Both when accelerating and downshifting and decelerating in particular.

Maybe a more effective question would be how many of you when you ran a motorcycle tire on the rear would noticeably break traction accelerating or downshifting?

That question would tell you whether the additional traction of a car tire made any functional difference to the clutch and tranny.

I'm guessing that how the rider manages (or misuses) his clutch and transmission would have much more impact than a change in tire.

Just my guess.   Wink


Carl,

Great question.  I have been riding a CT on my I/s for well over 25k miles and when I hop on the bike it never crosses my mind "Oh I have a CT on the back better watch out at slow speeds and imperfections on the road".  But, I first rode my tourer in rain on the way back from oklahoma on a motorcycle tire (MT) and the acceleration and braking that I was so use to on the I/S was NOT there on the MT it caught me by surprise at one time and i ruled out the thought of it raining the first time in awhile and maybe it was just slick from that..  It had been raining for three days.   

I love the braking and acceleration of the CT I have no problems with my final drive or clutch, either.

for what it's worth...

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