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All Other Bikes... KTM, Husky, VOR, Husaberg & Hondayamazuki... |
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#11
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Here's some engineering drawings from the patent application.
The swing arm pivot bolt runs through the countershaft sprocket.Imagine that. |
#12
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Their clutch may have something novel allowing for a patent, but primary clutches aren't new. My friend had a 1972(?) Puch 175 with a primary clutch - it was about the size of a tuna can.
Last edited by Dave; 04-25-2007 at 04:42 PM. Reason: typo |
#13
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Yes, also the Montessa 250 VR of the late '70s used a crank mounted clutch. Pretty slick, we'lll see though. I thought about the oil thing too, maybe they have another pump for it. Cannondale had a transmission/clutch oil pump as well.
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#14
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I thought crankshaft mounted clutches went out with the sixties. Too many problems to name here. Maybe BMW has fixed all of them? Not likely.
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#15
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Yep.........vibration is one of them.
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#16
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Published today on cycle news : press release about bike running in it's first World Enduro Championship round....
http://www.cyclenews.com/ShowStory.asp?HeadlineID=10752 jeff |
#17
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now that the bike in out.....anyone have any reports?
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#18
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ummmm.... David Knight had no problem winning WEC's on a KTM?
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#19
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Salminen looks to have his sorted out.
http://www.juhasalminen.net/uutiset.html?137 Knight had early successes at home, but some machine failures and bad luck have kept him off the WEC podium. Dirt Rider magazine pretty well trashed the bike in a recent enduro shoot out article.
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'15 YAMAHA WR250F, '75 YAMAHA TY80 Gone: '00 380 EXC, '03 EC300, '07 YZ250, '07 250 XC-W, '08 YZ450F, '12 CRF250R |
#20
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I must say as a mechanical engineer, the BMW fascinates me. Would I buy one to race? Pretty doubtful. It's got a long ways to go to compete with the major players in enduro.
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