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Slack chain VFR 750

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andym
World Chat Champion



Joined: 16 Nov 2010
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PostPosted: 10:24 - 24 Jul 2013    Post subject: Slack chain VFR 750 Reply with quote
Not sure if this would be better in general chat or not, but I guess technically I DO need help.

Is there anyone quite close to Chepstow that has a chain adjuster that would fit a single swing arm?

Not completely urgent and I could wait a few days and just find and buy 1.

I've noticed the last couple of times I've gone out there has been a little clunk noise when releasing the clutch and I decided to check the chain... there's about 1-2 inches close to the rear sprocket and more towards the front
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 10:35 - 24 Jul 2013    Post subject: Reply with quote
There SHOULD be one in the bike toolkit.

This one.
https://www.davidsilverspares.co.uk/graphics/parts/89201MR8000.jpg

You can loosen the pinch bolt and tap it round with a punch or sometimes even turn the hub by hand in the absence of the proper tool. Depends how sticky it is.

Honda call it a pin spanner, I would call it a C-spanner but it's a really big one.

Honda part number: 89201MR8000. They're about £15.
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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andym
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Joined: 16 Nov 2010
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PostPosted: 11:36 - 24 Jul 2013    Post subject: Reply with quote
stinkwheel wrote:
There SHOULD be one in the bike toolkit.

This one.
https://www.davidsilverspares.co.uk/graphics/parts/89201MR8000.jpg

You can loosen the pinch bolt and tap it round with a punch or sometimes even turn the hub by hand in the absence of the proper tool. Depends how sticky it is.

Honda call it a pin spanner, I would call it a C-spanner but it's a really big one.

Honda part number: 89201MR8000. They're about £15.


There would need to be a tool kit with the bike for the spanner to be included. I wasn't sure if I would be able to tap it round, I'll have a go and see what happens... worst case scenario is I can't turn it and have to buy the C-spanner anyway.
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andym
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Joined: 16 Nov 2010
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PostPosted: 15:30 - 24 Jul 2013    Post subject: Reply with quote
Well I had a bash (OK tap) with a big ol' fat screwdriver and nothing budged, so decided to take it to a garage so they could do it with the proper tools.

The guy said it wasn't too slack, but could be doing with a tighten... after about 10 minutes it turns out it's seized up and will need stripped, re-greased and built up again Sad
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 16:37 - 24 Jul 2013    Post subject: Reply with quote
I'd get some penetrating oil in there because it is an UTTER bastard to strip down and there are £150 worth of bearings in that stub axle. The nut holding it all together is done up to 140ft/lb then piked in place.

Squirt penetrating oil (not WD40) down the inside of the swingarm as well as round the outside of the eccentric pivot.

It is worth allowing this some time to work before you go tearing the whole lot apart.
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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andym
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Joined: 16 Nov 2010
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PostPosted: 18:16 - 24 Jul 2013    Post subject: Reply with quote
Cheers I'll give that a try, other than WD40 what others should I avoid.... and which can I use safely?
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 18:42 - 24 Jul 2013    Post subject: Reply with quote
andym wrote:
Cheers I'll give that a try, other than WD40 what others should I avoid.... and which can I use safely?


You can safely use WD40, it's just not much good.

I like either plusgas or a 50:50 mix of automatic transmission fluid and paraffin as a penetrating oil. A spray type would be handy in this case as you'll be able to direct it up inside the swingarm and spray it towards the hub.

The swingarm is hollow and has openings distressingly near the back wheel. Water, salt and crud can get thrown in there and gum up the works. When I stripped, cleaned and replaced the bearings on my last one, I pressure washed the inside of the swingarm then filled it with expanding foam to stop this happening again.

On the plus side. Any time the adjuster was seized, a soak in penetrating oil overnight freed it up again.
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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Old Thread Alert!

The last post was made 13 years, 56 days ago. Instead of replying here, would creating a new thread be more useful?
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