SOHC.co.uk Forums > CB500/550
Renovation Time
z1100r:
Well I'm one happy chappy. I stripped the new carbs completely and found a couple of things...needles were in top groove, god knows why, mine were in centre groove. 2 of the primaries were solid with something, I couldn't clear them out, it was like they hadn't been drilled in the first place.
So I just swapped the lot out my old carbs and set the needles to middle. Shoved it all back on and the results were superb..back to normal and sounds great with the 4 pipes, strangely its noisier than my 4-1. I remembered what I did with my main jets in the end..I drilled them 1 size at a time when I was tuning it. I had loads of 90's but full sets of 100's 105's 107.5's 110's etc would of cost a fortune and I allready had the drills......trouble is I've lost the piece of paper that I wrote the final size down on and the marker pen on the float bowl has long gone, so I just stuck the drilled 90's in the new carbs. The bike will never be sold so who cares.
Now the next problem, its not charging properly, 12.9v at the battery at anything above 3,000 revs. It never had this problem before, maybe an earth or something with all this powdercoat or maybe one of the jenny wires has come adrift when I was messing routing the starter motor wire. Rotor magnetises OK, its just not producing at the battery. Rectifier and voltage control box were OK before and I do have spares so shouldn't take me long whatever it is.
Just handlebars and brake bleeding now then....was going to take it to local bike meet tomorrow night but I think thats out. MOT Friday now instead of tomorrow dinner aswell. Must take it out for a bit of a whizz before IOM in 10 days time. Suppose I'll be carb balancing and brake bleeding tomorrow night aswell and job done - rusty handlebars will have to stay for now.
It does actually look like a new bike....not what I intended but I'm well chuffed with it. All stainless fasteners except 5 rusty bolts That I've ordered and should arrive next week.
z1100r:
I am getting seriously fed up now...The bike is running like a dream..purring over at 800 rpm with no clonks ...running lovely..just like it did 30 years ago.
Trouble is I cant bleed the sodding brakes. Its just took me 3 hours to bleed the front brakes...cant someone make parts right these days. I bought a collection of stainless bleed nipples from hel about 5 years ago for my rd's but included a few for the Kawa and Honda at the same time. The Honda ones are wrong....!!!! FFS they are 0.5mm to big on the shoulder before the taper. I spent an hour trying to get fluid to come out the bleed nipple. In the process I nearly stripped the master cylinder again. It turned out that the hel bleed nipples were 0.5mm too fat just before the taper and no fluid could pass them unless the nippl
Bryanj:
Check the resistance between pairs of yellow wires into the generator as sometimes the soldered connections can give up, also i have seen mechanical damage (dropping type) of the windings.
Probably the regulator points sticking is the most common fault or a lack of removing powder coat at an earting point. Some where on the US site is the Hinda description of how the charging system works--I know its there i just not sure where
SteveD CB500K0:
Do you mean this one Bryan?
I think you sent it to me in the first place.
SteveD CB500K0:
Here are the diagrams.
What idiot set the forum attachment limit to 5?
Oh, that'll be admin.
Oh, that's me...
I have hi(er)-res versions of these if anyone would like me to email them.
Steve
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