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Messages - Murf
1
« on: January 13, 2026, 10:26:08 AM »
I need to get the bolts and nuts for my 550 resto zinc plated, I have read through past posts on the site about this and have decided that I am not going to do it myself.
Can anyone recommend a good platers that will do the whole process ie. cleaning, preparation and plating.
I would do basic cleaning, rust removal and degreasing of the parts before hand of course .
I am in the East Midlands but will send or take the parts to anywhere that is a well recommended company.
Thanks
2
« on: January 02, 2026, 11:22:28 PM »
A lot of good ideas there, I like your electrolytic cleaning, will you be replating the parts yourself?
3
« on: December 31, 2025, 10:54:50 PM »
Yes these line drawings of engines are really nice, I have a couple of the CBX 1000 engine they are about 18” x 18” , I think they are just copies but still nice to have.
4
« on: December 31, 2025, 07:42:16 PM »
Those collars were around £82, €93 euro when I got mine in September 😳 which I thought was expensive then + about £30 for the bushes . So I think you are right, the Tourmax kit seems to be the way to go now.
5
« on: December 30, 2025, 10:22:24 AM »
The manual for those is just a lose leaf folder.
6
« on: December 28, 2025, 12:56:29 AM »
If your comprehension tester has a longish hose between the fitting that screws into the spark plug thread and the pressure gauge, this can add more volume to the cylinder and have the effect of decreasing the compression ratio thus causing a lower compression reading. The smaller the cylinder volume the bigger the effect. So just something to look out for. You could do a leak down test which would give you an indication if the valves or rings were leaking.
I would say there is always going to be some valve leakage on an old engine.
Checking for relatively even compression readings across all cylinders might be more relevant in checking the health of the engine. Check you have no tight tappet clearance as a first step.
7
« on: December 28, 2025, 12:06:58 AM »
Sorry I am a bit late to the party but hope everyone has had a good Christmas and want to thank you all for the help and support the forum has given me since I joined.
I am hopeful that the 550 will turn a wheel again in 2026.
🍾🥂
8
« on: December 26, 2025, 01:59:46 PM »
Well that is a bit rubbish isn’t it, I would definitely expect the shocks to come with the correct bolt hole and thread size. If not then at least supplied with new bolt and bush kit.
We have to put up with so much of this, incorrect size, not quite right, have to spent hours getting supposed correct stuff to fit cr**.
Hope you get a good conclusion from them and a shock with the correct fitting.
9
« on: December 22, 2025, 09:35:27 PM »
Thanks everyone great help as usual, you have put my mind at rest, though I will probably have a better look for a 3.25 and 4.00 pair.
I do have a 62 Triumph T100 which has the Avon 3.25 and 4.00 tyres which were recommended by a knowledgeable local tyre dealer we used to have ( sadly closed down now) and they look about right, on the bike, I will have a look at the rim sizes on it tomorrow, used to know but forgotten.
A pair of Avons in the sizes I want just seem very hard to find now, I am going to the Newark classic bike show in January so will probably wait and see if there are any tyres dealers there.
10
« on: December 22, 2025, 01:12:41 PM »
Well I thought I would check the rim sizes as stamped on the rims before I ordered any tyres, I have to admit that I had not done that yet. Well the Sizes are Front 1.85 x 19 and surprisingly the Rear is also 1.85 x 18, it is actually stamped 1.85B x 18, not sure what the B means, I was expecting the rear to be a wider rim.
It does seem that the early US 550 was fitted with the 1.85 rear rim.
So does this affect my tyre choice and will I still be able to fit a 110/90 tyre as planned. I really don’t want to go much narrower on the rear.
It really is surprising that someone has put a 120 tyre on this diminutive rear rim.😄
11
« on: December 21, 2025, 01:22:46 AM »
Thanks for the replies.
I think I am going to go with the 100/90 x 19 front and 110/90 x 18 rear Bridgestone BT 46 tyres.
They seem to be close to original size, the dealer seem to have them in stock and they are well priced compared to other premium makes at the moment. I was also struggling to get the size I wanted with other makes.
Thanks OddJob for the tip about increasing rim size and using slightly wider tyres if the rims need changing, my rims seem to be pretty good on the outside so I am hoping there is no nasty surprises when the tyres are removed.
12
« on: December 16, 2025, 12:19:30 AM »
Hi my 1975 550 K1 has standard rims and came with a 110 x 19 front and a 120 x 18 rear tyre, from what I read these tyres are too wide for the rims, they are really old anyway and I need to replace them as part of my rebuild.
I can get a pair of Bridgestone BT 46 100/90 x 19 front and a 110/90 x 18 rear, at what passes as a reasonable price for tyres these days and I really like Bridgestone tyres. Even got them on my car👍
However I want to check if these sizes are ok as I am struggling to find any imperial sized tyres to suit. Also what tyres have people found tend to suit the 550 as I am open suggestions about tyre make.
Thanks
13
« on: December 13, 2025, 02:27:20 AM »
I will need new shocks for the 550 I am restoring so It will be interesting to know how you go on with the Hagon stainless shocks. I did speak to the guy on the Hagon stand at the Stafford show in October and he recommended them for the 550. They are not cheap but also not too expensive either and I would expect far better than the DS ones.
14
« on: December 13, 2025, 01:48:26 AM »
After many tries I did manage to get through on the phone to them at the beginning of the year, I was after some Keihin carb jets, which they didn’t have and wouldn’t be getting. I seem to remember that the guy on the phone did not seem very interested.
15
« on: December 03, 2025, 12:58:51 AM »
I think it was RUST first😂, but no problem as it does say ‘Buy with confidence’ on the web site 🤣
Confident that you are having your pants pulled down I would say.
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