When leaning in right turns, engine/clutch slips problem

lorenplante · Oct 20, 2010

When I make right turns and lean the bike while accelerating (even light acceleration) i often get a feeling like the engine/clutch seems to slips in and out a couple time very fast. It only happens when i am in a right turn and rarely straight line. Kinda feels like, imagine using the clutch as fast as possible in and out 3 times while making a turn. Its not the best feeling when accelerating, the rpm jumps a bit during these "slips" and dont want the front coming up or sliding and laying the bike over.

I am thinking it has something to do with the engine oil moving to the right side of the engine and the clutch losing lubrication and slipping really fast...? or could this be ignition or something else mechanical?

Does anyone else ever/have experienced this?

Any advice would be much appreciated!

lorenplante · Oct 20, 2010

Forgot to mention. the bike is a 2004 FE650 converted to Supermoto.

berger · Oct 20, 2010

Float level? Fuel moving from one side to the other uncovering a jet or plugging an air bleed. Just throwing it out there.

pedroFS · Oct 20, 2010

If you did it stationary holding the revs up and tipped it on each side does it do funny things? if so it ain't your clutch

nsman · Oct 20, 2010

chain skipping over a worn frt sprocket

berger · Oct 20, 2010

nsman said:
chain skipping over a worn frt sprocket

I like that idea.

lorenplante · Oct 21, 2010

Stationary, and and while giving a steady increase in throttle, the bike has a perfect rev. So it shouldnt be anything to do with float level or fuel issues.

What oil do you guys suggest? could too thin of oil be the cause? I live in Houston Texas, its pretty hot here...

from a visible view the front sprocket looks nearly new. the bike doesnt have many miles on it.

berger · Oct 22, 2010

lorenplante said:
Stationary, and and while giving a steady increase in throttle, the bike has a perfect rev. So it shouldnt be anything to do with float level or fuel issues.

What oil do you guys suggest? could too thin of oil be the cause? I live in Houston Texas, its pretty hot here...

from a visible view the front sprocket looks nearly new. the bike doesnt have many miles on it.

Stationary is not the way to check jetting or float level. Not saying for sure that it's either, just that your logic is flawed.

45degrees · Jan 13, 2011

lorenplante said:
Does anyone else ever/have experienced this?

Any advice would be much appreciated!

It can happen on certain surfaces. Like very small but noticieable "skidding" of the rear wheel. If power delivery is harsh it is a common pheuomena.

Otherwise check chain travel. If it is too large, it may cause the cahin to "lean" away from it's "line" and may cause acceleration inconsistency.

Chas · Jan 13, 2011

Are you sure that this 'slippage' during acceleration is not due entirely to tire slippage??

Taffy · Jan 13, 2011

you are over filling it with oil 100%.

you need the oil level to stop at the bottom of the sight glass or to be in view by maybe 3/4mm tops.

that's the reason...cast iron.

think washing machine troops and think front loader and pouring oil in.

regards

Taffy

When leaning in right turns, engine/clutch slips problem

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