final drive bolts....... - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 14 (permalink) Old 10-07-2014, 11:21 PM Thread Starter
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final drive bolts.......

So apparently i have no idea how to use my torque wrench and busted off one of the bolts on the drive that connect it to the swing arm. Is there any way to get these bolts out of the final drive? I have my old drive and if possible so i dont have to spend another $100+ i want to take one of the 4 bolts from my old one and put it in the new one.

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post #2 of 14 (permalink) Old 10-07-2014, 11:43 PM
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you talking about the studs that go from the drive to the shaft housing?

if that's it then they should unscrew grab the broken nub with some vise grips and give it hell

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post #3 of 14 (permalink) Old 10-07-2014, 11:50 PM Thread Starter
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you talking about the studs that go from the drive to the shaft housing?

if that's it then they should unscrew grab the broken nub with some vise grips and give it hell
yea thats what im talking about, just noticed in the final drive diagram that it was a stud and is replaceable, feel as though its going to be a bitch to get out, pisses me off so much... Looking at the instructions on this torque wrench they use some sort of strange math "126ft-lbs(120+6) = 156 ft-lb wrench" so what the hell would 17.5 be? i would set it to 10 then set the dial to 7.5 which i would assume is 17.5 but wtf is this "ft-lb wrench" that it says in the instructions... how does 126 equal 156? just wtf...

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post #4 of 14 (permalink) Old 10-07-2014, 11:52 PM
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when tightening the thing up next time around remember its inch pounds not foot pounds

the proper torque for those bolts in redneck measurements is hand tight plus one medium grunt lol

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post #5 of 14 (permalink) Old 10-07-2014, 11:59 PM Thread Starter
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when tightening the thing up next time around remember its inch pounds not foot pounds

....then fergy needs to edit his post about the spline lube

"tighten the 4 nuts holding the final drive to the swing arm, in a criss cross pattern, to 17.5 ft-lbs."

what would happen if you dont have enough torque on the nuts anyway

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post #6 of 14 (permalink) Old 10-08-2014, 12:30 AM Thread Starter
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yea i tried getting those out, and all im doing is stripping the threads on the stud, so i guess i'll take both final drives up to the shop tomorrow and have him do to, he should have the proper tools to do it instead of a pair of ****ty vice grips lol.

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post #7 of 14 (permalink) Old 10-08-2014, 12:57 AM
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hell if its just one broke off you would be fine running with only three

if they aren't tight enough they will back off but I did my with the afore mentioned redneck measurement and have not lost a nut yet

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post #8 of 14 (permalink) Old 10-08-2014, 01:16 AM
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x2 running 3 for a short while should be OK, though IMHO I'd replace it sooner then later.

what style of vice grips are you using? you'd probably have the best results with a pair of flat jawed grips vs a pair made for fitting around a hex nut.

Another thing to try if you happen to have a bench vise: Get the stud nice in tight in the vise and turn the entire final drive to loosen the stud.

......I'd rather wake up in the middle of nowhere then in any city on earth.

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post #9 of 14 (permalink) Old 10-08-2014, 02:16 AM Thread Starter
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tried with the bench vice, was afraid of getting it to tight and ****ing the threads to hell, but with how tight i got it the stud just spun with the final drive, got it setting with the studs pointing up and gave each one a good dose of WD40 maybe whatever little gap there is between the housing and the studs that stuff will get in and eat away any rust or w/e is holding, worked for my coupler should work for these little bastards. I'm so pissed at myself for doing that... Got **** on my mind i dont want to think about and the only time my mind is clear and free from all the bull**** is when im riding, cuz im focused on the ride and nothing but the ride, haven't been able to do that for like 2 or 3 weeks now... so aggravating. But if worst comes to worst tomorrow i'll take both drives up to the shop and have him swap out the busted stud on the new drive for a good stud on the **** drive.

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post #10 of 14 (permalink) Old 10-08-2014, 02:24 AM Thread Starter
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orrr..... i could just drill into the busted stud or get my dremel and make a slit in it and unscrew it myself and head to lowes and get a stud the same size... anyone know the size of it? looking at the diagram of the final drive on bike bandit(part number 92004A) it doesn't give a lengthxwidth.... well its a 12mm nut that goes on it so i guess the width speaks for itself, but the length... wonder what that is.

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