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Joined: Jan 2012
Posts: 374
Learner Plates Off!
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Thanks all. The belt feels very loose, easy to move it across the sprocket by hand. No obvious wear on the tyre from the belt. I only did a few kms like that though. Dealer visit time.






Joined: Aug 2011
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I have had a similar experience. Does anybody know what size the castellated nut is to release the rear axle?? By my measure i get 36mm but Parts book says M30 ?

Joined: Apr 2008
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Scruffy Oik
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Scruffy Oik
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Normally nut and bolt sizes are given by the size of the thread, so M30 in the parts book probably refers to the thread size - but in that case I would expect 45 - 46mm across flats?


Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
Joined: Nov 2012
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From previous tinkering i had one of these watched on Ebay, i have one on order now so will confirm once received that it does fit.

http://www.ebay.co.uk/itm/110839470039?_trksid=p2059210.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Joined: Oct 2012
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Talk Morgan Expert
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If I remember correctly, 1-7/16" fits perfectly but 1-1/2" will do. At the moment I am a very long way from my three wheeler and toolkit so can't check for a week or two. And yes, I expected metric spanners to fit better too!

Joined: Oct 2013
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Right, 1-7/16" spanner size equates to 36mm spanner size, although inch and a half is a smidgen more.

A 36mm spanner sized nut should equate to an M24 thread size, or roughly an inch in old money.

An M30 thread should use a 46mm spanner size.

Some good back pocket info HERE which I think is pretty accurate in effort.

Is this any use? Who knows, my car's a long way from me too as I write..


Steve
Joined: Mar 2013
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Now that PDF really IS useful Steve - thanks!

Joined: Jun 2012
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Talk Morgan Expert
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Thanks for the metric bolt info, nice and easy to refer to.


Joined: Aug 2013
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Brings me nicely into:
I'd like to change the stock bolts on the rear coil overs to stainless. However I've always been told that stainless is too brittle and high tensile is better. Fact or myth. Bit of both i would imagine?

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Matty, I believe what you've been told is correct. It IS possible to get high tensile stainless, but it's very specialised stuff I understand.

I recall reading about someone who made his motorcycle front axle out of the wrong stainless grade & suffered a metal fracture.


Steve
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