Author Topic: Meet my new 550f2  (Read 2819 times)

Offline Green1

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Re: Meet my new 550f2
« Reply #15 on: October 28, 2017, 07:18:32 PM »
I don't use a roller at work I'm not your average decorator I spray almost everything.
So no orange peel in my fuel tank  ;D

Mick
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Offline rozabikes

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Re: Meet my new 550f2
« Reply #16 on: October 29, 2017, 12:25:35 PM »
New you were class!  ;D
One day I'll have the time to restore it, not just talk and dream....

Online mickwinf

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Re: Meet my new 550f2
« Reply #17 on: November 19, 2017, 01:12:29 PM »
some progress made, stripped down to frame, which is in suprisingly good condition and only needs some touching up as its not a concours rebuild. I did have to saw the main stand pivot to remove it as was seized solid. Next move is a big purchase from David Silvers and lots of cleaning and polishing.
Love the 500/4 and 550 own 2 at the moment.

Online mickwinf

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Re: Meet my new 550f2
« Reply #18 on: November 29, 2017, 12:52:56 PM »
A large parcel has arrived from mr silver with their usual efficiency, lots of shiny new bits including wheel rims. The rear is a DID one and is the usual good quality but the front one is an un- branded one that is described as an extremely high quality item at a lower cost. Opened it up to check it and the inside is actually rusty! Will not fit it will send it back and would not recommend anyone to buy one if mine is a typical example.
Love the 500/4 and 550 own 2 at the moment.

Online Trigger

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Re: Meet my new 550f2
« Reply #19 on: November 29, 2017, 01:20:53 PM »
Sliver is a member on here and did say that his cheap rims were Lada quality  ;)

Online mickwinf

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Re: Meet my new 550f2
« Reply #20 on: November 29, 2017, 07:18:38 PM »
wouldn't even put it on a lada!
Love the 500/4 and 550 own 2 at the moment.

Online mickwinf

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Re: Meet my new 550f2
« Reply #21 on: December 08, 2017, 06:56:43 PM »
working on the forks and front brakes, cleaned and refurbished fork bottoms then went to fit the new caliper only to discover the bolt holes are a different spacing to the bracket which i spent ages polishing! luckily i had a spare bracket with the correct spacing but will have to polish it first. I always thought all 400/500/550 calipers were the same but looking through my spares box i have examples of both.Piston size is the same.
Love the 500/4 and 550 own 2 at the moment.

Offline hairygit

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Re: Meet my new 550f2
« Reply #22 on: December 08, 2017, 07:51:55 PM »
They ARE the same caliper! If the bracket hole spaces were wrong, either it is a 750F1, K7 or K8 caliper, with a 550 bracket, or vice versa. Is it the caliper and bracket that came with the bike? Reason I ask is many years ago a mate bought a used caliper and bracket for his 500 Four, so no issues there, but when he fitted it to the bike, the caliper was mounted too high and only swept the top two thirds of the disc, as the 750 discs are larger diameter so the caliper sits higher.

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Online mickwinf

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Re: Meet my new 550f2
« Reply #23 on: December 08, 2017, 09:27:31 PM »
the wider one was fitted and working when i got the bike, so its a strange one.
Love the 500/4 and 550 own 2 at the moment.

Offline hairygit

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Re: Meet my new 550f2
« Reply #24 on: December 08, 2017, 09:43:05 PM »
Measure the disc, it may be a 750 disc, in fact, it could be 750 forks as well.

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Online Trigger

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Re: Meet my new 550f2
« Reply #25 on: December 09, 2017, 06:34:15 AM »
The wider hole caliper is 750F1 as Hairy states, from memory I think the holes are 40mm apart. If it al fits to the disc and forks then it is a late 750 front end. See if you can find the word ART on the arm  ;)

Online mickwinf

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Re: Meet my new 550f2
« Reply #26 on: December 09, 2017, 02:39:47 PM »
great knowledge from Hairy and Trigger, i put the wheel on to see the relationship between the disc and caliper, and it does sit too high. replacing the mounting arm wont help as will still be too high. Seems i have got the wrong forks so what is my best bet? can replace forks for the correct type, or could i use a 750 disc on my 550 wheel? Trigger my bracket is stamped art, i am impressed!
Love the 500/4 and 550 own 2 at the moment.

Offline hairygit

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Re: Meet my new 550f2
« Reply #27 on: December 09, 2017, 03:19:14 PM »
Yes you can use a 750 disc, bolts straight on.

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Online Trigger

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Re: Meet my new 550f2
« Reply #28 on: December 09, 2017, 03:27:45 PM »
First you must find out what forks you have, I am sure that the fork bottoms are different lengths. Will measure some up a little later.

The 500  is 320mm
      550F is 355mm
And I don't have a 750F1 here at the moment. And my measurement is from the top the bottom, not including caps or studs so, to the flat surface.
« Last Edit: December 09, 2017, 03:39:32 PM by Trigger »

Online mickwinf

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Re: Meet my new 550f2
« Reply #29 on: December 09, 2017, 05:18:27 PM »
Graham they measure 355 mm from the flat at the bottom to the top edge of the alloy, also from the flat to the hole where the adjuster bolt fits through is 168mm. Thanks for the help. If the 750 disc fits it would solve the problem due to its bigger diameter.
Love the 500/4 and 550 own 2 at the moment.