UK Monster Owners Club Forum » .: Technical :. » Cans, Tyres, Brakes, etc. » Remove fork tube from lower casting M600

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Old 28-10-2021, 12:45 PM   #1
m600jim
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Remove fork tube from lower casting M600

Hi, I have a 1997 M600 and one of the fork stanchions is badly pitted. I can get it rechromed but it looks like it's cheaper (and possibly easier) just to get a new fork stanchion e.g. this one - https://www.brooksuspension.co.uk/du...anchion-94-97/

My question is, how easy is it to get the casting off the bottom of the old stanchion and replace it on the new one? I can't see any pinch bolts etc holding it in place, is it threaded? Or is it push fit? Will I need loads to heat to remove it?

Can't find anything really relevant on the internet, has anyone tried this?

Thanks

Jim
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Old 28-10-2021, 01:29 PM   #2
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Should be screwed on, there maybe a locking grubscrew somewhere? but either way it will be tight and stuck well with a combination of loctite and corrosion.

You will need some means of holding the tube securely without crushing it whilst applying plenty of brute force, a little heat may also help loosen the lock.
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Old 28-10-2021, 01:39 PM   #3
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They may come apart, though they take some persuasion.

Two questions: are they non-adjustable Marzocchi? That’s probably what they had when they left the factory, but people swap things.

What are the bolt centres on the front brake caliper mounts?

https://www.ebay.co.uk/itm/274830447...3ABFBMyPLR8Zhf

It may be a good time to talk to someone like Maxton to get the damping sorted to suit your weight too: https://www.maxtonsuspension.co.uk/f...onversions.htm
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Old 28-10-2021, 02:02 PM   #4
Darren69
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It's probably better to upgrade to some Showa adjustables, there's plenty on ebay. IIRC I think Buzzer had a set of S4R forks for sale recently.
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Old 28-10-2021, 02:25 PM   #5
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Check spindle size and caliper bolt spacing before splashing out on replacement forks.
Pro revalving is the way to go though, the adjustable Showas on Monsters aren’t great either.
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Old 28-10-2021, 02:32 PM   #6
Nasher
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Have a read of this, particularly towards the end of page 2:
http://www.ukmonster.co.uk/monster/s...ad.php?t=58486

Oh, and Brooks Fecked me about.
I paid for next day delivery, and when it didn't arrive I was told that next day meant the day after they received it from their supplier.

The sales guy got very 5hitty with me when I said their website was misleading, and I got a lecture about how I should know they couldn't possibly stock everything for next day delivery.

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Old 28-10-2021, 03:05 PM   #7
m600jim
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Quote:
Originally Posted by Darkness View Post
They may come apart, though they take some persuasion.

Two questions: are they non-adjustable Marzocchi? That’s probably what they had when they left the factory, but people swap things.

What are the bolt centres on the front brake caliper mounts?

https://www.ebay.co.uk/itm/274830447...3ABFBMyPLR8Zhf

It may be a good time to talk to someone like Maxton to get the damping sorted to suit your weight too: https://www.maxtonsuspension.co.uk/f...onversions.htm
Yep they are non adjustable Marocchis - I saw the Showas on eBay but I guess one Showa and one Marzocchi leg would be bad!
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Old 28-10-2021, 07:45 PM   #8
Darren69
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Yea the Showa's aren't great but better than the Marzocchi. I guess you need to weigh up the cost of modded Marzo vs Showa. The spindle size and caliper bolt spacing will probably be different to what you have on the later ones, it's doable but again you need to weigh up the cost of new calipers, axle and wheel bearings. If the 600 is a keeper then maybe a worthwhile mod or if you plan to upgrade to a bigger Monster then just cut your losses and get a 900/1000/S4 and get alll the good stuff included.
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