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Topics - Genniker

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CB500/550 / Rear brake switch

« on: April 19, 2020, 05:30:03 PM »

No brake light from the pedal, nor when I worked the plunger by hand. A spray of WD4o got a flicker, but after I tried switch cleaner it's gone dead again.

Can you split these, or are they a sealed unit?

CB500/550 / Flushing oil

« on: August 29, 2019, 09:50:46 PM »

Just at the end of a 6 month process to get a long-stood bike back on the road; carbs, ignition, electrics, valves etc all sorted.

Thinking that some sludge might be lurking the the oil galleries and mindful of the important oil feed to the sohc, together with possible gummed piston rings, I did wonder whether to run through a quick flushing oil cycle as part of the 'return the the road' procedure.

Never done this before, but wondered what thoughts and opinions on this may be?

CB500/550 / Route back to the road (after 30 years layup)

« on: April 27, 2019, 09:21:58 PM »

I thought I’d chronicle the journey to get my recently acquired 500/4 back on the road. It will be something of an occasional series as this is a project to be worked on around other commitments. It will give me a bit of a spur to get on and do this, whilst also providing the opportunity to bombard experienced forumites with questions.

The bike looks very original, the only thing missing (so far) is the inner caliper for the front disk. (First question; how easy is it to get hold of one of those?)

The prime aim is to get the bike back on the road; any thoughts to get to concours condition will follow on an as and when basis; but the restoration will be done well as this will be a ‘keeper’

First step was to get the carbs off which was a job in-itself. Bowls off, and its doesn’t look to bad.

First batch of questions
1.   Happy to tidy up and clean the bowl and jets, but the slider section looks more complicated. Could I get away with comprehensive spraying of carb cleaner of the top half to save full dismantling?

2.   Mindful that this is not going back to concours, the aluminium castings are dull and have a white ‘frosting’ to them. I was going to clean with wire-wool and oil. Any alternatives for me to consider?

3.   Inside of the tank and the chrome are rusted. I’ve looked at options and like the look of deox c rust remover. Any thoughts or alternatives?

4. A basic rebuild question, although most of the bolts unscrewed easily, would like to reassemble with a coating to make subsequent dismantling easier. A spray WD40 or the like the way to go; or silicone?

CB500/550 / Vin details

« on: April 27, 2019, 11:46:04 AM »

Hi,

Using this spell of lousy weather to do a bit of keyboard research for a bike I've picked up and looking to get back on the road.

Last change of owner was in '76; first registered Dec 75, garaged since 90.

Here's the twist, the V5 details are: Vin CB500-2066***, and Engine CB500-2154***. These match with the bike. This, looking at other sites, would suggest a 72 engine in an 73 frame.

http://www.sohc4.net/cb500-model-guide

It's a straight looking bike.

Was this 'old stock' sold off in 75, or are there any other possibilities?

CB500/550 / Battery choice

« on: April 26, 2019, 06:48:23 PM »

Need to replace battery on 500/4, with the standard battery offering 12Ah, yet a quick check suggest that there are other batteries the same size but with greater cranking capacity rating. Any thoughts on the best way to go. I appreciate that it might be false economy, but looking for a cheap option.

https://www.tayna.co.uk/motorcycle-batteries/powerline/yb12a-a/

https://www.tayna.co.uk/motorcycle-batteries/powerline/yb14l-a2-agm/