Question about 2005 Suzuki RM 250

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Suzuki 250 2001 model

I'am looking for the water pump on my bike as it's not on the outer side of the bike as i think water is leaking from the water seal into the motor & i was just wondering where abouts it is on the bike & is it hard to get to??????
cause water is going into my gear box oil & making milky looking,
i'vr done the 'O' RINGS IN i think it's the water seal.......does any1 have any other solution?????

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Try tightening up you head bolts to and check the head gasket if you ripped it a little bit then it will let water pass through too..

Posted on Dec 05, 2008

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I think your model is a water-cooled model with a radiator. Likely you have a leak in the head gasket or (hopefully not) a cracked block that is letting the coolant into the engine cylinder making all the white "steam" and stinky exhaust as the coolant burns.
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Check the oil... does it look milky or foamy... that would be confirmation that you for sure have a coolant leak into the engine. But you still could have the coolant leak even if the oil looks fine.
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Dec 15, 2010 | Suzuki RGV 250 L Motorcycles

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My 98 rm 125's water pump seal is leaking and it needs a top end rebuild are their any good online guides or videos to help me do it?

9003904_rm125__thumb.jpg 5.00 USD
Suzuki Rm125 Service Manual Repair 2004 Rm 125

Instant download of the official manual for the RM125 2 stroke bike. Specifically for the 2004 model, but can also...

I hope that this helps you and please do not forget to rate/vote and place a testimonial on my advice.

Wicked Angel

Nov 19, 2010 | 2003 Suzuki RM 125

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Suzuki RM 125 water is mixing with the gearbox oil how do I fix it, or what is the cause. The water is leaking from the cooling system and turning the oil milky. I have just changed the oil and filled up...

The water pump is in the motor case and has a leaking seal. Anti freeze is leaking past the water pump seal into the transmission. Take your water pump apart and replace the seals. The fluid should be escaping out a weep hole in the bottom of the pump, so when you have it apart be sure and dig the mud out of the weep hole to keep from filling the motor with anti freeze if this ever happens again. If there is no weep hole then it must not have been designed with one.

Jul 31, 2010 | Suzuki RM 125 Motorcycles

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How do you change water pump seal 98 rm 125 !!???

It should be just that, a leaking seal, gasket. The water pump is external on that bike and doesn't go anywhere but the cooling dept.It doesn't get mixed with oil or anything. Take off the pump itself and replace the gasket. I think that should do it, unless it is the pump itself leaking.
Suzuki RM125 RM 125 Water Pump Housing,,,,
That is an ebay ad. Just in case. Hope this helps.

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I have a 2005 C90 Boulevard , with a oil cooler . I have a leak on on of the lines going into the cooler . I put new washers on it with a torqwrench , and still have a leak , can u help me out .

The only thing I can think of is that either the banjo fittings are cracked, or maybe you put the fittings on wrong.
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You could also possibly have a pinhole in the hose or where the pipe goes into the hose.
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I am looking at buying an 03 rm250 tomorrow.Do you have any suggestions on what to look for regarding signs of problems with this specific bike?

Below are generic things to look for if getting a used bike.

Does the engine start easy and idle smoothly? Does it accelerate without hesitation?
Does the clutch engage and disengage smoothly?

Is the clutch lever easy to pull?
Any oil or coolant fluids leaking after a ride?
Do all gages work? Lights, horn and flashers?
Any red lights on the gages lit up? Any computer codes flashing?
Do front and back brakes operate and stop smoothly?
Is the motor oil pretty clean or really dirty? (Sign of how well the owner has cared for the bike).

Is the oil "white-ish"? (water in the oil. If motor is water cooled it's usually bad water pump seals).
Any funny sounds from the gear box? Anywhere else?
Does it shift smoothly up and down the full gear range? Neutral light come on properly?
Sprockets still have rounded tips not pointed? Well lubricated chain?

How much adjustment is left in the chain?
Good tires? How old is the battery? All lights work properly?
Is the upholstery good? Plastics cracked or broken?
Gas tank badly rusted inside? Do the wheels run true or weave?

Do the forks look bent from a side view or front view?

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2005 Rmz250 wont start when hot.


Jul 31, 2009 | 2004 Suzuki RM-Z 250

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