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Messages - dv11250

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1
CB500/550 / Re: 550K0 restoration
« on: August 04, 2019, 04:23:57 PM »
Been working away at the cb550 over the last couple of months, and nearing completion

stripped the tank, side pods and headlight casing and took the bull by the horns and had a go at spraying for the first time.
put the bike all back together and tried to get it started, no spark on 2+3, new capacitors fitted and engine started first time.

fitted new Delkevnic 4-1 exhaust
2 x avon AM26 roadriders
New RHD headlight unit with H4 bulb.

Down to MOT centre this morning and passed the test.

still a bit of tinkering with the ignition and cards as it is not running smoothly.




2
CB500/550 / Cb550 HT leads
« on: June 29, 2019, 09:29:13 AM »
New HT leads fitted to the coils.
Does any one know where to get the rubber tubing that covers them.
Looks like 10mm o/d x 7mm i/d

3
CB500/550 / Re: 550K0 restoration
« on: May 31, 2019, 09:50:31 PM »
Dismantled the carb rack and carbs and jets in the ultrasonic cleaner.
Can someone advise how to get the pivot shaft off the frame

4
CB500/550 / Re: 550K0 restoration
« on: May 30, 2019, 05:10:13 PM »
question on Coils,

I think the coils were removed at some time, some has started to restore the bike before I got it as it has a 75 tank

1.should the HT leads face the rear of the bike, mine face forward.
2. how are the leads numbered. one coil is numbered 2+3 with the leads at the bottom facing away from you, the other coil leads were not numbered.
3. looking from the seat position what coils are mounted left and right positions

I have replaced all the HT leads as per Ash's coil rebuild and are ready to refit
 

5
CB500/550 / Re: 550K0 restoration
« on: May 24, 2019, 05:15:15 PM »
Takes over an hour to cut with the tractor lawnmower, never mind doing the edges.

6
CB500/550 / Re: 550K0 restoration
« on: May 24, 2019, 02:36:53 PM »
Countax lawnmower

7
CB500/550 / Re: 550K0 restoration
« on: May 23, 2019, 11:22:34 PM »
Can any one advise what the 8 green o-rings in the NE gasket set are for.
dont remember taking any off when I stripped the engine

8
CB500/550 / Re: 550K0 restoration
« on: May 23, 2019, 11:19:40 PM »
Thanks Bryan and Julie,

Rings fitted, new gudgeon pins and circlips, and barrel onto engine.

starting to look like a bike again

9
CB500/550 / Re: 550K0 restoration
« on: May 23, 2019, 06:27:12 PM »
Piston rings arrived this morning from Cruzinimage.

Could someone advise the order they are fitted.
I know the oil ring is in the bottom slot.
The other two rings are black and silver with STD marked on them.


10
CB500/550 / Ultrasonic Cleaners
« on: May 20, 2019, 04:59:16 PM »
I am about to strip/clean/rebuild the carbs on mu CB550K0.
I was looking at the GT Sonic cleaners on E-Bay, does anyone have any experience on how good these are

11
CB500/550 / Re: 550K0 restoration
« on: April 04, 2019, 08:17:14 PM »
Thanks Bryan for the advice on the chains

just working out what all i need for the engine/bike rebuild on get order placed with DS (unless there is anywhere else to get bits).

Got the engine stripped down completley.
Could someone advise what this is screwed into the bottom of the crankcase towards the rotor side

12
CB500/550 / 550K0 restoration
« on: March 28, 2019, 11:21:47 PM »
 Bought the CB550K0 three weeks ago, US model bought from England with a seized engine.
Having raced karts for 15 years I thought an seized engine rebuild would be fairly easy.

So bike stripped down to the frame in 2 days.

Rocker cover off to discover that one the cam gear screws was down inside the head channel. no option but to split the cam chain and order a new link.

head off and inside pistons are at the top and outside pistons bottom. no movement in the crank at all. :'(

Only 1mm on inside bores to fill with release fluids
soaked in parrifin for three days - no movement.
soaked in Diesel for three days still no movement - applied 2 heat guns until the diesel was bubbling - still stuck
soaked in Liqid-Moly penetrating oil and TQF and heated every night for 10 days.
last night got 0.5mm movement by rocking barrels front to back with a large screwdriver under the fins ay the rear and a 5mm steel plate under the front fins at the two raised points on the front of the crankcase.
Tonight same rocking again while my son tapped the pistons gently with a wooden block and hammer.
30 mins later barrels off - 2 x small ends tight.
 next session tomorrow night

13
CB500/550 / CB550K0 front mudguard
« on: March 25, 2019, 12:48:18 PM »
looking to buy a new front mudguard for my CB550.

Looking at the DS website and there are genuine and replacement ones available.
Can any one advise which is the best option

David

14
New Member Introductions / CB550 in NI
« on: March 25, 2019, 12:34:11 PM »
Hi all,

Just purchased a 1973 CB550 as a project to keep me occupied over the summer.
Have not had a bike since my Honda SS50 when I was 17 (distant memory)

Complete rebuild on the cards, and bike licence to obtain.

This forum has been a great source of info so far, so thanks to all who contribute

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