SOHC.co.uk Forums > CB500/550
Kick start and clutch operation
CB-500:
--- Quote from: Trigger on July 16, 2023, 05:50:58 PM ---You can not push a the clutch by hand. Just because the plates measure within spec, it does not mean they will work. Old clutch plates go hard over time ;)
--- End quote ---
Looks like replacing the plates is something that will have to be done - would you recommend just friction plates or all plates including metal discs?
Would hard friction plates cause the kick start to lock?
McCabe-Thiele (Ted):
I'm confused here if the clutch is assembled and the bike is in neutral how does that affect the kick start becoming solid ?
Trigger:
--- Quote from: CB-500 on July 16, 2023, 06:54:08 PM ---
--- Quote from: Trigger on July 16, 2023, 05:50:58 PM ---You can not push a the clutch by hand. Just because the plates measure within spec, it does not mean they will work. Old clutch plates go hard over time ;)
--- End quote ---
Looks like replacing the plates is something that will have to be done - would you recommend just friction plates or all plates including metal discs?
Would hard friction plates cause the kick start to lock?
--- End quote ---
The kick start would lock if not assembled correctly or the circlip has come off the end. Look in the sump for any parts that have come off. Always replace the end circlip on the kick shaft with a new one.
McCabe-Thiele (Ted):
Are the spark plugs fitted - might be worth seeing if removing them changes anything?
CB-500:
--- Quote from: Trigger on July 16, 2023, 08:53:19 PM ---
--- Quote from: CB-500 on July 16, 2023, 06:54:08 PM ---
--- Quote from: Trigger on July 16, 2023, 05:50:58 PM ---You can not push a the clutch by hand. Just because the plates measure within spec, it does not mean they will work. Old clutch plates go hard over time ;)
--- End quote ---
Looks like replacing the plates is something that will have to be done - would you recommend just friction plates or all plates including metal discs?
Would hard friction plates cause the kick start to lock?
--- End quote ---
The kick start would lock if not assembled correctly or the circlip has come off the end. Look in the sump for any parts that have come off. Always replace the end circlip on the kick shaft with a new one.
--- End quote ---
Agreed it would lock if not assembled correctly - However the kick start mechanism engages turns the gearbox which spins the centre clutch hub without issue and at the other end the engine turns the outer clutch housing
Once the clutch plates and pressure plate are bolted on then the kick start can’t turn the engine over - You can feel the kick start engage it’s as if there is something further down the line which the kick start is struggling to overcome
The kick start worked before the engine was stripped so obviously something has gone a miss somewhere - But struggling to work out what - As far as I’m aware all gone back together correctly at least that’s how it appears until the clutch is fully assembled
Later on with clutch plates and pressure plate removed I’ll try and wrench just the clutch outer housing round to see if I’m able to turn the engine over in the way the kick start would
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