Question about Motorcycles
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Posted on Jan 02, 2017
SOURCE: water leak/mixing with oil
The gasket on the gear shaft is dead. Water runs around it between the outer cover and the gearbox, and unfortunately the gear shaft needs to go all the way through them to get to the 'box. There should be a flat O-shaped gasket around the shaft, and that's leaking water into the oil, and out the side. This is a pretty tough job if you havn't got the right tools, so maybe rather take it to a workshop mate! Hope that helps!
Posted on Mar 10, 2009
More likely it is a slightly bent shift fork not fully engaging into second. The clutch and bearings are not suspect. Remove your foot from the shift lever then go full throttle in 2nd. Those new riding boots may be doing the magic unconsciously. Adjust the shift lever height if that is the problem.
Posted on Apr 30, 2009
SOURCE: kx250 gearbox/drianplug leaking
There is pressure in the crankcase when the engine is running and when you rev it up this pressure increases. Oil pressure inceases with RPM and yes the oil will get frothy under pressure.
If you suspect the drain plug is leaking then remove the plug and wrap the threads with teflon tape and reinstall the plug, this should prevent the plug from leaking.
Posted on Jun 07, 2009
Hi, sounds like the friction & metal plates in the clutch are stuck together. Has the bike sat for a while? If so, the clutch might free up if you get it started, roll along and put it in first, then get through to 4-5 gear, and holding the clutch in, accelerate & back off the throttle. Sometimes this will free them up, but careful to do it somewhere large enough. If the right type & amount of oil are in the gearbox (4 stroke car or bike engine oil that doesn't have friction modifiers in it), take the oil fill plug out 7 use a light to look at the ckutch basket. If you can see it, you should be able to pull the lever and see the pressure plate move outwards slightly. Good glycol coolant should do the job, straight coolant should be fine around 500ml. Hope this helps :)
Posted on Dec 26, 2009
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