i had the same issue with my 250 after i changed the rear sprocket... only no sounds, just a break that was stuck partially on
On Wed, May 19, 2010 at 12:07 PM, Graham Rogers <[email protected]> wrote: > It used to be an inch of play. We set Javier's about an inch and a half of > slack. His rear brake was hanging up but we seemed to have it working freely > before he left. It wasn't the shaft or inside the brake drum, it was where > the rod went through the small cylinder (the rod that has the adjusting nut > on the end). I didn't think of it at the time but we could have tried a > stronger spring - the long spring on the rod. Maybe you could try just > taking the adjusting nut off and stretch the spring. I didn't think too > much about it at the time but now that Javier is hearing a 'crank' noise, it > sounds like that spring isn't doing it's job. We didn't take his rear wheel > off because he doesn't have a main stand. That's a bit of a problem when > adjusting the chain as well. Would someone please send Javier a main stand! > > > On May 19, 2010, at 11:37 AM, David Cummings wrote: > > about #5 - on any bike with rear suspension, you need more chain slack >> than you would think (like say on a bicycle). This is because the >> effective chainstay length changes as you compress the shocks. If you >> got it fairly tight without any weight on the seat, it's probably too >> tight when you are sitting on it, much more so if you go over a bump >> with the rear. >> Of course, this is all from working with friends' bikes, my 700s >> doesn't have this issue :-) >> >> On Wed, May 19, 2010 at 11:05 AM, paul annen <[email protected]> >> wrote: >> >>> the only answer i have is to #4... it is called a torque wrench.... and >>> #5 >>> alot of people use there pocket change to measure ther chain slack... >>> damn >>> im glad my GL is shaft drive... >>> >>> On Wed, May 19, 2010 at 10:45 AM, Javier Garcia <[email protected]> >>> wrote: >>> >>>> >>>> Hi all, >>>> >>>> I have a couple of questions concerning the chain and rear brake of a 96 >>>> NH 750. When I visited Graham last week we adjusted the chain (among >>>> other >>>> things), since it was quite loose. Once I got back home I start hearing >>>> some >>>> kind of clocking noise when I start from a stop. It appears to be >>>> related to >>>> the chain somehow. It is difficult to describe, but once the bike start >>>> moving I can hear some "crank, crank, crank" few times and then goes >>>> away >>>> when I increase the speed. I cannot tell if still makes that sound when >>>> moving faster. Last night I though maybe the chain need to be readjusted >>>> or >>>> something (although I never experienced this when the chain was too >>>> loose). >>>> This time I tensioned the chain a bit more, leaving just a little slack >>>> (perhaps was even too tight). The noise then got worse, I could hear the >>>> same thing just at the instant that the wells start moving. Then I loose >>>> the >>>> chain again, and came back to the original point where I was, with the >>>> same >>>> noise. >>>> Since I moved the wheel back and forth, I had to adjust the rear brake >>>> as >>>> well. The I noticed that it was getting stuck after applying it. I mean, >>>> I >>>> push the leaver, it comes back, but the brake is still stuck. I had to >>>> move >>>> it with my hand to disengage. I went to the Common Service Manual to >>>> check >>>> what I was doing wrong, and then I saw in the section about chain >>>> adjustment >>>> "After adjustment, retighten the axle nut to the specified torque" (pag >>>> 46). >>>> I remember I had tighten the nut really hard. So I loose it up a little >>>> bit, >>>> and then voila!, the brake is working fine again. I drove it today, and >>>> actually the noise had been reduced as well, although I still hear an >>>> small >>>> crank when starting from stop. >>>> >>>> Questions: >>>> >>>> 1) Does any of this makes sense? >>>> >>>> 2) Could the noise be related to the torque applied on the axle nut >>>> instead of the chain tension? >>>> >>>> 3) How do I know what is the right torque for this bike? >>>> >>>> 4) Is there a tool that indicates which torque is being applied to the >>>> nut? >>>> >>>> 5) How much slack should the chain have? is there any consistent way to >>>> measure it? >>>> >>>> Thanks in advance, >>>> Javier. >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups >>>> "Nighthawk Motorcycle Lovers!" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]<nighthawk_lovers%[email protected]> >>>> . >>>> For more options, visit this group at >>>> http://groups.google.com/group/nighthawk_lovers?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Nighthawk Motorcycle Lovers!" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<nighthawk_lovers%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/nighthawk_lovers?hl=en. >>> >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Nighthawk Motorcycle Lovers!" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<nighthawk_lovers%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/nighthawk_lovers?hl=en. >> >> >> > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<nighthawk_lovers%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/nighthawk_lovers?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. 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