Ok Graham, I just order a new center stand for my NH. So, seat tight and wait for all the questions I am going to ask about how to install the thing when arrives. No more walking around to clean/lubricate the chain. Javier.
On Wed, May 19, 2010 at 1:12 PM, Javier Garcia <[email protected]> wrote: > No Graham, this is different. I am almost sure the sound is related with > the chain. To give you an idea, it is similar to the sound made when you > are changing gears on a mountain bike. Initially I thought it could be that > the chain got too loose after the trip back home. As I said, just to tried > to adjusted it leaving almost no slack, and the sound got worse! Conversely, > loosing the chain back minimizes the problem. > > Now, the rear brake issue is also different to what you saw. When I said > that it was stuck, I am actually talking about the shaft. In fact, I took > the rod, spring and all that off. So with my hand I moved the shaft to apply > the brake. Doing just that the brake will get stuck, and I would need to > pull firmly back to disengage, like if the pads where sticky inside the > drum. This problem was _solved_ when I loosed up a bit the axle nut. Now it > seems to be working perfectly. So I assume it was that, too much torque > applied on the axle nut. Question is, how much torque _must_ be applied? I > don't want the rear wheel to come lose while driving on the highway ;). > > As I said, more puzzling is the fact that loosing the axle nut seems to > help with the chain noise. It is almost gone, although I need to drive a bit > longer to confirm that. > > Graham, could you check on your little book for the 750 if it has > information about the torque needed on the rear axle nut? > > Javier. > > > > > On Wed, May 19, 2010 at 12:08 PM, Graham Rogers <[email protected]> wrote: > >> Javier, is it the same sound we heard when we would apply the brake and >> the spring didn't return the brake to it's free position? >> >> On May 19, 2010, at 11:59 AM, Javier Garcia wrote: >> >> Yes, I understand why it can be too tight, nor too loose. I am just >> wondering if there is a more precise way to set the chain slack, instead >> just -somewhere between the two extremes-. Perhaps it doesn't matter, but I >> am worried about the cracking sound. >> >> Javier. >> >> On Wed, May 19, 2010 at 11:37 AM, David Cummings < >> [email protected]> 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]. >> 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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