Question about 2005 Suzuki RM 125

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2005 RM 85 fouling plugs every ride.

Running 50 to 1 ratio oil mix; Repsol pre mix; bike has lots of power; smoking more than normal; exhaust valve chamber gets black oil build up in it. Product line does not list an RM 85 so it is listed under RM 125.

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Obviously theres way to much oil in the mix. Speak to your local bike shop and ask them on the best mix for the bike

Posted on Nov 28, 2008

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    Mark Jul 29, 2014

    YOUR USING WAY TO MUCH OIL WITH YOUR PREMIX use 32:1 or 30:1 i reccommend 32:1 but 32:1 is 4 ounces of premix two stroke oil per gallon of gas not motor oil well yeah if you want your motor to blow up so use i reccommend TC-W 3 2 stroke premix oil

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Hi my rm like plug i have the bike for 3 weeks and i have had 12 plug in it so far
What is the problem?
It is running at 100 ml of 5 lites

Posted on Sep 24, 2011

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You need to be using a 32/1 mix with the oil.

Posted on Apr 15, 2009

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Hi mate you should do the ratio 32/1 or 40/1 use silkolene comp 2 premix descent stuff i always use it good luck

Posted on Apr 03, 2009

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Try using AMS oil. its the only oil i ever run in my 2 strokes.

Posted on Jan 12, 2009

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1 Answer

2005 Honda CR 85 R keeps fouling spark plugs


Hi, William and the usual suspects are:
1. The first thing to do if your spark plug has been fouled is to check the air filter. If it's really dirty, that makes it difficult for air to get through to the engine, causing a rich condition. Either clean it thoroughly with some Air Filter Cleaner or buy a new filter. Before you put it back in the air-box, treat with some air filter oil or spray. "WARNING" adding too much oil can also clog up the filter, resulting in another fouled plug.
2. While the gas/oil ratio doesn't equate to what the jetting is, you can still foul plugs, or worse, if the mixture is wrong. Depending on your bike, it's best to look at your owner's manual for the correct ratio. For most 2-stroke motocross bikes, a ratio is 32:1 or 40:1, the gas being 32 or 40, and oil being 1. For those that don't it, it means that for every 128 ounces (one gallon) of gas, you add 4 ounces of 2-stroke oil for a 32:1 ration, or just over 3 ounces for a 40:1 ratio.
If you have too much oil in the mixture (such as 12:1), then you will probably end up fouling the plug because it is more difficult to burn that much oil. Don't try to cut corners with the oil though, because it's very important for your dirt bike's engine. 2-stokes need the oil for lubrication on the cylinder walls, so if you don't have enough (or any for that matter) then the cylinder walls will run dry, causing it to overheat and seize the engine very quickly. So it's very important that you put in the right mixture pre-mix to your 2-stroke gas tank.
Also, 2-strokes have reeds that air and fuel go through into the cylinder, so if they are cracked or broken the bike will not run right. This could cause the plug to foul, so before you go out and buy anything expensive, make sure the reeds are still good.
3. While this usually isn't the main problem, it could be that your spark plug isn't burning hot enough. Having a hotter spark will ignite the fuel stronger, leaving less residual gas/oil in the cylinder that could cause the plug to foul. This "ISN'T" the best choice, but I'd say it's safe to go one plug hotter than stock. Keep an eye on the plug color you're looking for a light tan color anything whiter and you could burn a hole in your piston. Spark plug manufacturers aren't always the same, so make sure you find out how they rate them.
4. Almost every motocross bike comes rich from the factory (especially Honda 2-Strokes when they were being made). It's usually a pretty simple fix, but many riders are too lazy and would rather continue buying plugs instead of spending a few bucks on jets.
5. Piston rings badly worn or broken.
6. Faulty ignition coil low output.
For more information about your question and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
CR85R fouling spark plugs
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Honda CR85 Expert Owner Manual

Aug 18, 2011 | 2005 Honda CR 85 R

2 Answers

I ;have on older homelite super 2 saw. can use the newer oil in this saw with the 50to 1 ratio?


There is no reason why you cannot run any two stroke on todays two stroke oils ( its not like four stroke engines where you use different oils dependent on the age ) however i am not sure i would run it at 50-1 i would be more inclined to run it at 25-1 as it is an old engine.

Jan 29, 2011 | Homelite Garden

1 Answer

What motor oil do i use for my 2005 CR125 honda


You need to use a 2 stroke motor oil. Look for oils that say 2 stroke motorcycle oil, injector oil or smokeless. Do not use a standard automotive motor oil, your bike will smoke. It should be pre-mixed with your gasoline. I am relatively sure the ratio is 32:1, but you should check your owners manual to be sure. At this ratio you would use 4 ounces of oil to each gallon of gas. This ratio allows for an all-around use of your bike. If you are not going to use the bike at high speeds for extended periods, you may want to consider a different fuel/gas ratio - 50:1.

The above information is recommended for a Stock motorcycle.

Regards.

Jan 09, 2011 | 2005 Honda CR 125 R

1 Answer

Plugs-keep-fouling-tried-3-different-plugs-what-can-i-do-to-solve-this-problem


What is causing the fouling? Engine oil? On a two cycle dirt bike, the fouling can be caused by excessive oil in fuel mix. I believe 50 to 1 is the correct ratio yet you may want to cut back, a little at a time, on the oil or run hotter fuel. The exhaust system will also accumulate enough oil sludge to impede the exhaust flow causing poor performance and plug fouling. A two cycle must breath freely to keep itself internally clean. Air cleaner to exhaust. Proper fuel mix should have little , very little. Good Luckand hopefully this helps you.

Dec 27, 2010 | 2003 Yamaha YZ 125

1 Answer

Homelite gas trimmer ut20602 from 1998 need oil mix ratio...is it 40:1 or 50:1


Use the 50:1 ratio oil mix.the oil bottle will tell you how much oil that you will need to mix with how much gas you have,40:1 will make the trimmer smoke too much and it will foul plugs prematurely but won't hurt the machine.

Jul 30, 2010 | Homelite Mighty Lite Lawn Trimmer

1 Answer

I have a 1998 suzuki rm 125 how do i mix the fuel and oil: example 10l fuel how much oil must i add?


What is the recommended fuel fix ratio by the bike maker? if it is 50 to 1= 10000ml / 50 = 200 200 x 1 ml = 200ml of oil to 10 litres of fuel.
200ml to 10 litres of fuel

Apr 26, 2010 | 2005 Suzuki RM-Z 450

1 Answer

FUEL RATIO


For motocross racing..50:1 gas:oil mix. For trail riding and sand pits,..try 40:1.

Mar 15, 2010 | 2003 Suzuki RM 125

5 Answers

I have a 2005 kx 250 2 stroke and it keeps eating plugs


NGK brand spark plug BR8ECMVX is the stock plug for the bike. The proper gas / oil mix is 32 to 1. That means 4 ounces of 2 stroke oil per gallon of gas. The posting was not clear as to just what the problem is. If you are burning up plugs there may be a air leak in the intake system making the bike run lean. A lean fuel mix runs hot.

Jun 24, 2009 | 2005 kawasaki KX 250

1 Answer

1997 yamah yz 125 lots of white smoke comeing out of pipe


How much was it smoking previously? Too much smoke (oil) is a whole lot better than not enough smoke (oil). If you are mixing the oil and gas then cut back on the mixture. Obviously it is out of balance. Put 1/2 gallon of raw gas in the tank to cut the mix. After a tank or so you should get the balance back.

You need a new shift shaft and probably need a new shift lever due to the bad splines. You can try the JB Weld but I suggest that you go ahead and drill the lever an shaft then put in a cold roll split pin from the hardware store. You have nothing to loose since the shaft and the lever are already toast.

Please rate this solution. Thanks!

May 01, 2009 | 2003 Yamaha YZ 125

3 Answers

Dirtbike is smoking


could be too much 2 stroke oil in your mix or worse case, your piston rings are going.

Nov 20, 2008 | 2003 Suzuki RM 250

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