Crank case oil

[cmckeeman]

For my 77 Bonne's crank case is 80W-90 gear oil fine?

 

[The Seeker]

If you mean gearbox....then yes. Normal engine oil in the oil tank (crankcase).

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[cmckeeman]

In fact i did mean gear box, thank you.

 

[Rocky]

Seeker is correct. That's what I use.

 

[CarlS]

You are spot on.

 

[cmckeeman]

Would having old oil cause kick start problems?

 

[The Seeker]

Would having old oil cause kick start problems?

What type of kick start problems?

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[cmckeeman]

Well for start she isn't starting on one kick, which is a new problem. Then every other or every third kick it doesn't feel like the engine is getting cranked, it almost feels like the kick starter is getting gummed up. everything will move but i don't hear or feel the strokes of the engine.

 

[The Seeker]

That's gear oil inside there which is thicker than motor oil. Is it very cold where you're trying?

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[cmckeeman]

it's been about 40-50 out when i have been trying.

 

[The Seeker]

Hmmm...probably not cold enough to make it too thick.

To establish if it really isn't turning the engine, pull out the sparkplugs and put a pencil in one of the holes. Crank the kick started with your hand and see if the pencil moves up and down. A screw driver will also suffice.

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[cmckeeman]

A few days ago i took out the plugs and cranked the kick start and i couldn't get the gummed up feel at all.

 

[The Seeker]

Right because there is no compression without the plugs. But did you establish that it WAS cranking the engine?

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[cmckeeman]

Not with a pencil, but i could feel the strokes of the cylinder and hear the displaced air. Tomorrow i will try the pencil.

 

[The Seeker]

No....you probably did confirm it. So next I ask....did you use 8O-90 gear oil in the gearbox? The other two places you add oil (30 W engine oil) is the oil tank (under the nose of the seat) and a small amount into the primary cover (where the clutch is). Be sure you didn't overfill any of them

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[cmckeeman]

I haven't changed out the gearbox oil since i got it, and it didn't have these problems till now and i bought it from a shop so there is no reason for me to think that it came with the wrong kind. And the engine oil looks fine, close to a change but not terrible.

 

[The Seeker]

Perhaps your clutch is dragging?

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[cmckeeman]

What exactly does that mean?

 

[cmckeeman]

So after trying to start it today, i have figured out it only gets the gummed up feel every third engine stroke.

 

[The Seeker]

I was meaning the clutch could be engaging...in need of adjustment. Be sure the bike is completely in neutral. Also try kicking it with the clutch pulled in....it should kick absolutely freely.

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