1987 XR600R suspension
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From: oldfart on 15 Oct 2007 17:33 Physics. One very heavy bike plus rocks = trouble. No matter what your suspension is or is dialed in at you must still deal with the laws of physics. If you hit a loose rock on its edge you will always have to contend with "pucker factor", an aviation term. Like Clint Eastwood said in several of his movies " A man's got to know his limitations". OF
From: XR650L_Dave on 15 Oct 2007 18:25 On Oct 15, 5:33 pm, oldfart <alan.westco...(a)gmail.com> wrote: > Physics. > > One very heavy bike plus rocks = trouble. No matter what your > suspension is or is dialed in at you must still deal with the laws of > physics. If you hit a loose rock on its edge you will always have to > contend with "pucker factor", an aviation term. Like Clint Eastwood > said in several of his movies " A man's got to know his limitations". > > OF XR650L? XR600R? Limitations? I dinnah ken ya, laddie. DDave
From: Joseph Rooney on 15 Oct 2007 19:47 "XR650L_Dave" <spamTHISbrp(a)yahoo.com> wrote in message news:1192487110.025136.267900(a)i38g2000prf.googlegroups.com... > On Oct 15, 5:33 pm, oldfart <alan.westco...(a)gmail.com> wrote: > > Physics. > > > > One very heavy bike plus rocks = trouble. No matter what your > > suspension is or is dialed in at you must still deal with the laws of > > physics. If you hit a loose rock on its edge you will always have to > > contend with "pucker factor", an aviation term. Like Clint Eastwood > > said in several of his movies " A man's got to know his limitations". > > > > OF > > > XR650L? XR600R? Limitations? I dinnah ken ya, laddie. > > > DDave DDave, What's all this clamor over frame and fork twisting? My 287# 1987 XL600R has the second or third highest barge factor in the dual sport world. It averages out baby head rollers and patio chairs. I think the 650 with the electric start and dual sports with multiple cylinders have it beat. Point and shoot. Just don't let it tip over. Joe XL600R
From: XR650L_Dave on 16 Oct 2007 08:34 On Oct 15, 7:47 pm, "Joseph Rooney" <ikeroone...(a)pcmagic.net> wrote: > "XR650L_Dave" <spamTHIS...(a)yahoo.com> wrote in message > > news:1192487110.025136.267900(a)i38g2000prf.googlegroups.com... > > > > > On Oct 15, 5:33 pm, oldfart <alan.westco...(a)gmail.com> wrote: > > > Physics. > > > > One very heavy bike plus rocks = trouble. No matter what your > > > suspension is or is dialed in at you must still deal with the laws of > > > physics. If you hit a loose rock on its edge you will always have to > > > contend with "pucker factor", an aviation term. Like Clint Eastwood > > > said in several of his movies " A man's got to know his limitations". > > > > OF > > > XR650L? XR600R? Limitations? I dinnah ken ya, laddie. > > > DDave > > DDave, > > What's all this clamor over frame and fork twisting? My 287# 1987 XL600R > has the second or third highest barge factor in the dual sport world. It > averages out baby head rollers and patio chairs. > > I think the 650 with the electric start and dual sports with multiple > cylinders have it beat. > > Point and shoot. Just don't let it tip over. > > Joe > > XL600R The forks def. do twist, but I have 2 years of connecticut riding on my L, so I just consider it part of the suspension. I think its a great rock bike. Baby head rollers are fun, CT has cemented-in and loose broken robot heads, at all kinds of angles. On those, you feel the flex when they're at an angle. Some folks think Thomaston Dam and the Meriden Motorcycle club are rocky- there's much more exciting rockwork in CT than those spots. DDave
From: Craig on 16 Oct 2007 09:51
On Oct 16, 8:34 am, XR650L_Dave <spamTHIS...(a)yahoo.com> wrote: > I think its a great rock bike. Lots of folks say the same about the XR600R. I spoke with Drew Smith of W.E.R. yesterday and he felt that what I'm experiencing was "very uncharacteristic" of even an old XR600R. He made a good point in suggesting that my swingarm and linkage bearings are probably shot. I'm sure they are, and plan to address them with the rest of the suspension. Drew also felt that going with the KX front end was introducing an unnecessary variable. For the short term, I agree. Maybe after I get it working "good" it'll be something I want to tinker with, but I really don't have the time it'll take to dial it in as Jeff points out. The cartridge emulators in the stock forks might be a simpler solution. At this point, I think I'm going to go through the forks and shock and attend to any bearing issues to get to a decent starting place. From what I'm hearing from many experienced voices, that really should be good enough for what I want out of the bike. I don't need it to work great, I just need it to be rideable. My XR650Ls were both far better in the rocks (but not nearly as good as my KDX). There's clearly something wrong with this bike - more than just physics. Craig |