Question about kawasaki KX 250 Motorcycles

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Kx250 gearbox/drianplug leaking

Im a new offroader, i put 15w-40 in my gearbox when changing the oil, it starts and runs but its leaking oil. lightly when the engines off and when im throttling it it cumming out heavier, like theres comprestion in the gear box. when i throttle hard, the oil leak is frothy!!! i dont know if its my drain plug or where the oils leaking??? can you help? thanks, Donny.

Posted by donny07 on

  • Anonymous May 11, 2010

    is it pooling on top of the gear box or just coming out the over flow tube, also i hope you used a motorcycle oil because car oil and motorcycle oil are completely different , in a car your oil can be a slick as they can make it but in a bike or atv the oil is also used to work the clutch which in turn the oil has friction mod. in it but all in all you should have a sight glass on the right side of the bike around the bottom just under the kick start, make sure with some one holding the bike straight up and level that the oil is is in between the 2 marks on the sight glass if this is not the case go back to the dealership an see if they can order some die that you can put in the gear box to find the leak and also pick up a couple more cans of oil to flush and refill the gear box.

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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

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The oil that is in it, is poulan, chain, and bar 30 weight, can I drain, or flush,engine


I usually just drain the oil. Bar and chain oil is thinner than normal SAE 30. If the engine is not seized, then I would suggest using a 15W-40 oil if you are in a warm climate area. These air cooled engines get hot quickly and that will cause the oil to thin more quickly and become less effective. Using the 15W-40 may cause hard starting at lower temperatures. Depending on how long the engine ran with that oil has a lot to do with the "reliability" of the engine. If it was smoking the last time you used it, then yes the engine needs to be reworked (new rings and valve seals in particular). If it wasn't smoking, I would run it with the heavier oil until it just won't turn anymore. These little engines are pretty tough. If the mower is less than 2 years old, then I would put the manufacturer's recommended oil back in it. Don't be too concerned if all of the old oil doesn't drain. Just change it again around mid-season.

Apr 23, 2015 | Garden

1 Answer

Hi I have a 1984 goldwing 1200 interstate can you please tell me what oil should go into the gearbox Thanks Edwin


You can use any oil that is JASO MA certified motorcycle oil. 10w-40 for cold climate/year round. 20w-50 for warm climate/touring. Car oils use different additives and may cause scoring in certain types of cam bearings. Do not use any oil that says " Energy Conserving " on the label . It will shorten the life of your wet clutch and transmission gears. If you choose Synthetic oils, they will help your bike run cooler and shift easier. Shell Rotella T 10w-40 ($12 a gallon) and Rotella T Synthetic 15w-40 ($22 a gallon) are inexpensive JASO MA oils. Be sure to check the label on the bottle, some of the lighter weights are not JASO MA. You will need 4 quarts of oil, an aluminum drain plug washer, and a filter.

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2 Answers

I have a 2003 rm 250 and want too change the gearbox oil but am not sure what too use,I was told too use 10/40 motor oil but that does not sound right???


I'm pretty sure you want to use gear oil in the crankcase of a two-stroke,(like 80wt Bel Ray).
Standard "car weight" motor oils are 4 stroke, designed to lube the crank & cylinders. your '03 RM has the cylinders lubed by the pre-mix...
A motorcycle specific crankcase lube is the best bet; lots of differing opinions on the wet-clutch aspect.

Jul 13, 2011 | 2003 Suzuki RM 250

1 Answer

I need to change my car engine oil what you


Hi,
10w-40 is a good oil.
If your Mercedes has a lot of wear on the engine 15w-40 will stay in a while longer.
Enjoy,
Wayne

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1 Answer

Hi i would just like to know what oil i can use in my 1989 toyota surf its a turbo diesel the manual says to use a sae 20w/40 cd or better but when i went to buy oil they sold me a 15w -40 api ch-4 is this...


Hi Sarah,

The 15W-40 apiCH-4 oil will be fine for your 4Runner. It is "better", and here is why....

Your new oil being "ch" grade vs "cd" meets the qualification of "better" grade oil. Oil detergents are constantly being modified and as the letters climb alphabetically, each higher letter means that the oil exceeds the requirements of the grade before it. The "-4" is a designation I do not recognize, so I have some more reading to do. It may just mean that you bought a 4 quart (or liter) container or package, but no matter what it represents, this oil is still better.
The "15W-40" designation means that at 0 degrees F or below, the oil behaves as if it is 15 weight oil, and at operating temperatures, it acts like 40 weight oil. This formulation is designed to make cold weather starting easier, since the oil will be "thinner". Since your new oil is still rated as 40 weight at operating temperatures, just like the manual specifies, You should do fine with it.
Make sure you check your oil level once a week, since your 4Runner has a few years on it, it may be "burning" more oil from normal engine wear.
It is very important to change your oil regularly, especially with a diesel engine. The oil picks up allot of contaminants and it gets dirty very fast in a diesel. Follow the oil change schedule in your manual, and you will be good2go!
Thank You for using FixYa!

Apr 14, 2011 | 1989 Toyota 4Runner

1 Answer

How do i change the oil...how much and what kind of oil do i use?


Manufacturer recommends "Suzuki Performance 4 Motor Oil". Actually, any SF or SG rated oil under the API service classification will suffice. 10W-40 is the recommended viscosity.

If you can not get 10W-40, the following are acceptable:

14 to 104 degrees F 20W-50
0 to 104 degrees F 15W-40 or 15W-50
-4 to 104 degrees F 10W-40 or 10W-50
-4 to 86 degrees F 10W-30


The Engine oil capacity on the VL 800 is:

3.2 U.S. Quarts (3000 ml) without a filter change

3.6 U.S. Quarts (3400 ml) with a filter change.


You are going to need a motorcycle lifting jack stand or similar device to properly accomplish the oil change. Before you start, locate the oil filter on the front side of the engine, between the engine block and the radiator. Read and copy down the number on the filter. The OEM filter is a Suzuki 16510-03G00-X07, I think.

Start raising the bike on the stand until level, then strap it securely to the stand. Put an oil catch pan/can, etc under the drain plug, which is on the bottom of the engine. Remove the drain plug and catch all the oil. Remove the oil filter. Before installing the new filter, lubricate the rubber gasket with a little of the old oil. Install the new filter, re-install the drain plug tightly and then fill with the above specified type and amount of oil.

There are a number of different places that will accept waste oil for recycling.

God bless and good luck!



Aug 11, 2010 | 2001 Suzuki VS 800 Intruder

4 Answers

What kind of oil should I use on my 1989 toyota land cruiser


DEPENDS ENTIRLY ON WHETHER IT IS PETROL OR DIESEL
FOR THE DIESEL MOTOR 15W/40HD DIESELOIL CC-CD
FOR NORMAL TO HIGH TEMP CLIMATES---SLIGHTLY LIGHTER IN COLD CONDITIONS
PETROL ENGINES ANY HIGH QUALITY MULTIGRADE OIL IS CONDIDERED SATISFACTORY BY TOYOTA

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1 Answer

Auto light comes on when going up a hill or put foot down


The gearbox does on have a dip stick it has a filler plug up top and a two part drain plug on the bottom of the transmission.

What you do is once the engine is warm, with the engine running you remove the centre plug and is the gearboxs level is low nothing much will come out. Some will come out as the tube gets full from normal running. If it is high the excess will come out and will stop at the ring.

I had the same problem with my gear box. What I did was remove the tube plug and drain all the oil out of the transmission. You then fill it with 3.5 litres of "Type D" transmission oil. Nothing else. Not Dextron anything or their equivalent.

In effect you have just carried out an transmission service.

I didn't even bother checking the oil level as 3.5 litres is the amount you need to put in and the gearbox has been running perfect ever since. The new oil worked a treat. Snappy changes and the clunking change with the light on stupidity went away.

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1 Answer

Oil pressure


Check the oil pressure switch!

May 26, 2008 | 1998 Ford Explorer

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