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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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Thread Tools | Display Modes |
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Bike overheating
My bike is overheating easily. Radiator will be smoking after even a mellow hill climb. I let the bike cool down and check the radiator is full, but I can see a thin film of what I think might be oil on top, but not positive. It is not very milky like heavily contaminated oil, but maybe there is a small amount. When I change my transmission oil it does not look very milky at all.
Any ideas? 2018 XC 300 |
#2
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Quote:
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#3
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I will check that out. Would that cause overheating?
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Is the pump working?
__________________
'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#5
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No, that would not cause overheating. Very often the culprit is the rad cap or better the over pressure valve in it. Could also be a lose impeller.
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#6
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Do you have a fan?doaes not start? Chech the radiators if its clogged or something..
Last edited by Laszlo ervin; 12-09-2019 at 03:56 PM. Reason: Bad witing |
#7
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Today I looked in the radiator and it looks dry. I added about 1 cup of coolant and it was full again started the bike and I can see that the pump is working. It looks to me like the steam or smoke is coming off the header pipe. Maybe it is just a leak somewhere?
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#8
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is this a new issue? or is it a new bike? If it is a new bike it could be jetted too lean.
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2003 txt250 Pro 2013 Ossa 280i |
#9
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It is a new issue. I think jetting is good.
Sounds to me like i should replace the head o-rings and the water pump shaft seal. Any other parts I need to order along with the pump shaft seal? |
#10
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If the gear oil is not milky then pump seal should be fine. If you do have to replace the seal check the shaft. Mine got a groove in it. Was quite cheap.
I have a bung with a shrader (tyre) valve in it. You could glue one into a piece of plastic or drill and tap. This bung is radiator hose size. Put a plain bung in other hose and put a radiator in a bucket of water and a couple pumps with a bicycle pump. You'll quickly find a leak or prove it as a good part. If they both prove fine and you swap a cap over then yeah I'd replace the head o-rings.
__________________
'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
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