Technical Rear swing arm bolt?

Shepherd · Dec 16, 2014

Can anyone confirm the size of the main bolt that goes through the rear swing arm on my 2003 multipla? Is it a standard M16 x 220 (ish)?

I am having a new swing arm replaced and my mechanic is having problems getting the old bolt out.

Thanks

Jim

boilermansab · Dec 16, 2014

You don't need to replace the whole arm just the bush and bearing and bolt which come in a kit..£18 odd on eBay

The size was definitely m16..but cant remember length..

Gavlar · Dec 16, 2014

He will struggle getting the old bolt out. You end up cutting them out most of the time.

boilermansab · Dec 17, 2014

Yep...tell him to get the thinnest angle grinder disc that he can..about 0.8mm
Then cut up between the arm and subframe..
Tell him to be very careful of the abs sensor wire as they cost £50
Good luck..
Its a fairly easy job that's turned into a bastard just because the bolt fuses with the outer sleeve!

BikeDoc · Dec 17, 2014

My original Multi's bolts withstood around 6 tons of pushing/pulling from a Hydraulic ram without budging, the sub-frame sides were deforming under the load before I gave up . . .

Trailing arms 1

Trailing arms 2

Plenty more info on here, just search 'Bearings' or 'Trailing' . . .

MultiplaAbarth · Dec 18, 2014

Second all the previous, now I always use a disc cutter with super thin discs...saves time, frustration, and profuse swearing...
I did read of an urban myth that someone managed to take a bolt out by normal means....

BikeDoc · Dec 18, 2014

That would be mine . . .

BikeDoc said:
. . . Got the Alligator Saw out ready to hack through the bolt, then, in a sudden an uncharacteristic moment of optimism (I am on my second Multi after all), decided to undo the Nuts and try shifting the Bolts, you know, just for a giggle . . . bu**er-me if they didn't both knock out with just a few blows from my Club Hammer :thumb . . .

widemouthfrog · Dec 18, 2014

Mine came out without a problem too

MultiplaAbarth · Dec 18, 2014

I suggest you both buy lottery tickets then.....

Technical Rear swing arm bolt?

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Technical Rear swing arm bolt?

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