SOHC.co.uk Forums > CB500/550

Kick start and clutch operation

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CB-500:
I see what your saying - When turning the engine over at the crank you also have the aid of the crank throwing weight

But with the issue I’ve found do you reckon I’m looking down the rights lines?

McCabe-Thiele (Ted):
I'm a few months away from your level of assembly so am not able to offer a comparison.

Sorry to ask but is there any possibility you have the con rods the wrong way round ?

Matt_Harrington:
Ted, that is an interesting point you raise.....

Bryanj:
Shouldnt make any difference to the engine rotating, if it rotates by hand it should rotate with kickstart

McCabe-Thiele (Ted):

--- Quote from: Seabeowner on July 18, 2023, 07:16:56 PM ---
--- Quote from: CB-500 on July 17, 2023, 08:25:44 PM ---So with the clutch pressure plate, friction plates/discs and clutch centre hub removed this leaves just the clutch outer housing on the main shaft

Turn the engine over via the crank - this turns the primary drive gear clockwise which turns the clutch outer housing anti-clockwise

Being careful with two long screwdrivers I’m unable to turn just the outer clutch housing on its own the same way (anti-clockwise) in an effort to turn the engine over like the kick start would

Am I missing something?

--- End quote ---
Although the clutch outer is a big diameter it will be difficult to turn the engine over using it because of the gearing.

--- End quote ---

Looking at the clutch basket when trying to rotate the engine by hand you are trying to turn a large gear - think cycle front chainwheel to turn a much smaller gear in my head that should work.

If I grip that small bottom gear I can move my crank pretty easily.

Not got my block in place yet so can't try my basket.

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