Thread: XR650R Thread!
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Old 04-07-2013, 01:48 PM   #16780
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Joined: Apr 2009
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Originally Posted by crypto666 View Post
Really, a 15k mile ride where the goal is to not use the clutch? Interesting objective.

And since you are opposed to feathering the clutch in sandy washes, I assume you start out with a hundred yards of trenching in 1st and 2nd gears? That's neat.
I'm not opposed to feathering the clutch when needed, happens allot more than just sandy washes.

Well I rode about 200 miles of single track and washes this weekend with a few friends. Included in the bunch is Jack Johnson, Scott Harden, Larry Ragland, and others.

Hardly what I'm referring to, take a look at SX racing, full throttle shifts with a quick let off of the throttle and no clutch, common practice and a tranny failure is extremly rare. The XXR tranny is fundamentally the same design as are most modern dirtbikes, how often do you hear of an XRR transmission failing? Very rare.

I counted 5 times where I shifted without a clutch. Not because I wanted to, but because I had to.

That cool, no one is telling you not to use your clutch.

I couldn't find anyone who admits to not using the clutch or even trying to avoid clutch use.
When talking to Max Switzer (Multiple Baja 500/1000 and Mint 400 wins) he started talking about his 250x with a recluse and how it only takes quick let off on the throttle to shift. Then someone mentions that you can do this without a recluse, and the response was "yeh, but..."

And that is why a couple quarts of oil only lasts 600 miles and why the spec such frequent oil changes.

The goal isn't to avoid using the clutch, the goal is to keep the engine and tranny revs matched during a shift, which can be difficult at times and why we have clutches. If you are matching engine/tranny speeds good enough to shift without a clutch, you will not cause any more wear and tear by using the clutch because there is not much slippage between the plates. It is no more harmful than pulling the clutch on a bike that is parked in the garage.

Yup, it's pretty easy to match up the RPMs for a smooth clutchless shift, no harder on the motor than using the clutch.

The idea that clutch use adds wear and tear is bullshit, complete bullshit. And encouraging people to not use a clutch, because some think this is what racers do is also bullshit.

Goes to the point that the tranny will handle it, not because that's what a racer does.
Crypto, I'm not telling anyone not to use their clutch, totally up to the owner. My point was it's often not used and it's not detrimental to the gearbox when done correctly. Clutch slippage is harder on the oil, will it ruin the motor? Obviously not.
"Life's journey is not to arrive at the grave safely in a well preserved body, but to rather skid in sideways, totally worn out, shouting ... Holy Shit, what a ride!"
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