SuzukiSavage.com - Front belt pulley washer...

Serowbot

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Front belt pulley washer...
04/23/11 at 19:12:05

... just bought a new one,... and it is bowled around the edge. Don't remember my original being like that.
I hope it holds better... I know it'll be easier to fold to the nut...

Gonna' scuff the threads, lok-tite it, and put it on with a 250lb impact wrench...
... if that don't work,... the welder's comin' out... Angry

...

PS,... that sucker's come loose a half dozen times... last time, I did loc-tite (red), and impact wrench... loose again...

I should be proud,... my bike's a TorqueMonster!...
Heck,.. I am proud.... ... and a little annoyed... Huh

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gerald.hughes Serious Thumper ModSquad Offline FSO Posts: 1100 Tucson, Az Gender:	Re: Front belt pulley washer... Reply #1 - 04/23/11 at 19:20:16 I would say that your gremlin is having you on.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28644 Tucson Az Gender:	Re: Front belt pulley washer... Reply #2 - 04/23/11 at 19:34:13 I have a bell for that... ...
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Front belt pulley washer... Reply #3 - 04/23/11 at 20:24:18 Maybe a hearing aid for that blasted Gremlin is in order..or a bigger bell?
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thumperclone Serious Thumper Alliance Member Offline PGR rider riding with respect Posts: 6056 Grand Junction Colorado Gender:	Re: Front belt pulley washer... Reply #4 - 04/23/11 at 20:46:45 just a quick scan of the ssm 72.5>94 lb-ft is spec for that nut gremlins are tourque less
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28644 Tucson Az Gender:	Re: Front belt pulley washer... Reply #5 - 04/23/11 at 23:55:24 justin_o_guy2 wrote on 04/23/11 at 20:24:18: Maybe a hearing aid for that blasted Gremlin is in order..or a bigger bell? ...maybe I dropped my clanger?... I better check... ...
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Front belt pulley washer... Reply #6 - 04/24/11 at 01:15:24 Serowbot wrote on 04/23/11 at 23:55:24: justin_o_guy2 wrote on 04/23/11 at 20:24:18: Maybe a hearing aid for that blasted Gremlin is in order..or a bigger bell? ...maybe I dropped my clanger?... I better check... ... You gotta check? KInda seems like something a fella otta just KNOW, dont it?
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engineer

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Re: Front belt pulley washer...
Reply #7 - 04/25/11 at 10:22:05

You have certainly torqued it on there and you probably did the last few times as well. I wonder if the problem is with the pulley. If excess clearance has developed on the splines and the pulley rotates slightly forward and backward on the shaft as the bike accelerates and decelerates that movement might, over time, tend to screw the nut loose no matter how tight you put it on. Maybe it is time to look for a new pulley or put some epoxy/filler on the pulley splines and shaft to fill in the clearance and stop the rotation. It's just a guess but I have seen the same sort of problem in other types of machinery using a splined drive shaft.

A taper lock pulley hub is a much better way to go and I don't understand why manufacturers don't correct chronic mechanical problems. The taper pulley hub would cost them a couple bucks more but they would make it up by not cutting all those spline teeth in the shaft and pulley.

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2005 S40, Intruder shocks, Dyna, 52.5/150, 3 washers, 2 turns, modified seat, Raptor

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MotoBuddha Serious Thumper Offline Let's roll! Posts: 1416 Charlotte, NC	Re: Front belt pulley washer... Reply #8 - 04/25/11 at 10:51:42 I think Suzuki's mentality with the LS650 is that it's a short-term, beginners' bike, unlikely to run up a lot of mileage. And being a beginner bike, the owners are less likely to spot something going wrong. So they design it to be sufficiently durable for that use, and to meet an entry-level price point.
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Serowbot

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Re: Front belt pulley washer...
Reply #9 - 04/25/11 at 10:53:06

engineer wrote on 04/25/11 at 10:22:05:

You have certainly torqued it on there and you probably did the last few times as well. I wonder if the problem is with the pulley. If excess clearance has developed on the splines and the pulley rotates slightly forward and backward on the shaft as the bike accelerates and decelerates that movement might, over time, tend to screw the nut loose no matter how tight you put it on. Maybe it is time to look for a new pulley or put some epoxy/filler on the pulley splines and shaft to fill in the clearance and stop the rotation. It's just a guess but I have seen the same sort of problem in other types of machinery using a splined drive shaft.

I'll do a close inspection for that when I install the new washer... Wink

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MotoBuddha Serious Thumper Offline Let's roll! Posts: 1416 Charlotte, NC	Re: Front belt pulley washer... Reply #10 - 04/25/11 at 12:53:45 What I don't understand is how the nut can loosen if the washer is bent to keep it from turning.
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BurnPgh Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1732	Re: Front belt pulley washer... Reply #11 - 04/25/11 at 13:16:21 its only bent up on itself. it needs to be bent up against the nut and against something that doesnt move. A tab on the case or something. I've often wondered what real purpose that washer is supposed to serve other than to take scraping from torquing the nut instead of the pulley.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28644 Tucson Az Gender:	Re: Front belt pulley washer... Reply #12 - 04/25/11 at 13:55:33 Actually, the washer is toothed to fit the shaft... but, my thinking is, that the washer teeth have worn a bit and are allowing the nut and washer to wiggle loose together... so I bought a new one to try it...
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