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Topics - Neill C

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CB500/550 / Common wire

« on: April 14, 2024, 04:44:14 PM »

Hi. I'm rewiring my bike but I'm struggling to find where to connect the black common wire on to the starter solenoid. The solenoid has a terminal for the battery, a terminal for the starter motor, a red and yellow cable for the starter button and a red and green wire. The wiring diagram doesn't show the red and green wire coming off the solenoid just the black common and the red and yellow wire so I'm struggling to see where to connect the black wire on the harness to in order to power it up. Help!!!

CB500/550 / Kick start spindle

« on: September 05, 2023, 06:14:37 PM »

Hi. The circlip on my kick-start spindle has come off and all the parts ended up in the oil pan. Can anyone tell me does the ratchet guide rest on the gearshift spindle to disengage the ratchet itself when under tension? I can't see any other place for it to sit! [ Guests cannot view attachments ]

CB500/550 / Crankcase Breather

« on: August 19, 2023, 06:23:43 PM »

Hi all. I've 1500 miles since having an engine rebuild and have a small amount of oil coming out of the crankcase breather. I think this only happens after I've ridden it at higger speeds than normal. Is this something to worry about?

CB500/550 / Carb jets

« on: July 19, 2023, 07:24:07 PM »

I've got a Cognito Moto airbox on my CB550 and my plugs are burning too rich. To get the revs down at idle I've have to turn the airscrew right in. Just one turn out to be precise. The bike runs and rides lovely but after a couple of hours the plugs are covered in soot. If I turn the air screw out to try and lean it out the revs climb. The manual idle screw is right out so I can't adjust that any more. If I reduce the jet sizes will this help? I'm thinking less fuel will reduce revs and lean the mixture at the same time.

CB500/550 / Carb float levels

« on: March 07, 2023, 07:06:46 PM »

Hi there. I've been bench testing my carb after suffering from float bowl overflow leaks. One bowl slightly overflows after about four hours. Float levels are set at 22mm as the book says. Would you consider that overflowing after 4 hours is perfectly OK seeing as you should turn the petcock off if the bike is going to be left on its stand for 4 hours anyway?