Question about KTM EXC 200 Motorcycles

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Im using Klots 50 senthetic 2-stroke oil 32to 1 mixture, I also run 93 octane fuel,with BR8EG NGK plugs, I have a 180 main jet, neddle n 3rd clip position, aftermarket FMF pipe& silencer, I live in the Beckley WV area, Plugs are oil darkend,black, changing 2-3 plugs N 2 hours of riding, What can I do?

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Try mixing 50:1 with synthetic it will not hurt rings 32:1 is pretty thick!!!on all two strokes i mix 50 to one never have had problem!Best of Luck to You!!!

Posted on Jun 30, 2009

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What is the fuel mixture for a rm250 1993 suzuki please could some one let me know thanks


Never Mix That Much Fuel At One Time. Mix 2 GALS. At Most. 2-Strokes Don't Like Ethanol Fuel. Mix 4 OZ. Synthetic 2- Stroke Oil To 1 GAL. 93 Octane Fuel. Run The Correct AUTO-LITE Or Iridium NGK Plug. Lightly Seat The Air Screw On The Carb Then Turn(CCW) 1 1/2 Turns Out. Never Run With This Screw Less Than 1 Turn (CCW) Out. Make Shure Coolant Level Is Correct. Check The Reeds Ever So Often. When Replacing Use 2-Stage Carbon-Fiber.

Dec 17, 2012 | 2003 Suzuki RM 250

1 Answer

What should my carb settings be on a 98 yz 250,all pro-circuit exhaust,living in timmins ontario,im running 91 octane


Hi, Anonymous it should be noted that your performance issues are not electrical ie. faulty charging system, battery condition, and connections etc. If your fuel system (gas tank, filters, fuel valve and carburetor) is contaminated with ethanol sludge, varnish, rust, dirt, water etc. or your bike has been sitting for months or years without running these components must be "PROPERLY" cleaned and reassembled "CORRECTLY" before any adjustments can be made. Tuning your carburetor is fairly simple once you understand the basic principals. You engine is a simple airbox sucking air in and blowing it out, it is finely tuned at the factory for maximum performance once you upset that delicate balance by changing air filters, camshafts or exhaust systems your performance may go down the and the engine may run poorly, you need to compensate the air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner element is clean and dry for paper elements or lightly oiled for foam and meshed elements and properly installed. Here is how and where you compensate trouble: "TIP" if your engine "BOGS" your not getting enough fuel.
1. Closed to 1/8 throttle is managed by the air screw and pilot/slow jet.
2. 1/8 to 1/4 throttle is managed by the air-screw, pilot/slow jet, and throttle slide.
3. 1/4 to 1/2 throttle is managed by the throttle slide and jet needle.
4. 1/2 to 3/4 throttle is managed by the jet needle, needle jet, main jet, and air jet.
5. 3/4 to wide open throttle is managed by the main jet and air jet.
6. Wide open throttle is managed by the main jet.
If you are running lean, spark plug electrode color is white, engine runs hot and feels like it is starving for fuel you need to go up on the jet size or move the c-clip down one notch. If you are running rich, spark plug color is black or dark gray, engine runs cool, and bogs down when accelerating you need to go down on jet size or move the c-clip up one notch. When your carburetor is properly tuned for maximum performance your spark plug electrode will be a light tan color like coffee with cream. If you prefer fuel economy over performance you can go down on main jet sizes until a satisfactory level of lower performance is acceptable versus MPH, your spark plug color will be whiter and your engine will run warmer. These tuning adjustments will only make improvements if your intake and exhaust system have no air leaks or sealing issues and the entire electrical system is in proper working order and you have no mechanical issues. For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have nice a day.
Some help with my yz250 carb settings please Yamaha 2 Stroke
Two stroke Carburetor jetting How to performance tune your two stroke carb...
YAMAHA YZ250 LC Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Feb 21, 2012 | Yamaha YZ 250 Motorcycles

2 Answers

Hi im just wondering what the fuel mixture should be for my 1996 rm 250 ? thanks mark


For a 250, you can get away with a leaner mix like 40:1 but I still race a 250 2-stroke from time to time for fun and I run 32:1. More oil = less friction, less heat, better sealing, etc...

Any idea what it was jetted to run? the difference between 40:1 and 32:1 is fairly minimal and if the bike is jetted fairly well I doubt you will tell a difference. If the plug is black it is too rich.

Sep 12, 2011 | 2003 Suzuki RM 250

2 Answers

What fuel does my Echo pb500H use??? 2 stroke oil gas mixture????


2 stroke means that it is a gas mixture. 4 stroke means that there is no gas oil mixture.

Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result.

A 50:1 ratio with 89 Octane fuel can be used in all ECHO 2-stroke equipment, provided the oil is ISO-L-EGD and JASO M345 FC/FD certified. ISO-L-EGD and JASO M345 FC/FD oil must be used with a mid-grade (89 octane) or premium gasoline in all 1997 and newer engines.

A 50:1 Ratio = 1 US Gal. 89 Octane + 2.6 fl. oz. ECHO POWER BLEND OIL

Echo Power Blend Universal 2-Stroke Oil can be used in all of our 2-cycle air-cooled equipment ever made. You may also use this oil in any other brand of 2-cycle air cooled equipment, but it should always be mixed at the 50:1 ratio whether or not it was a 32:1 or 16:1 etc. machine. This oil is the highest quality 2-cycle oil on the market today. There is no need to have more than 1 tank of fuel for your 2-cycle equipment any more.



Do not forget to rate the answer, Thank-you

Jan 02, 2011 | Echo Gas Blower 162 MPH 450 CFM Blower...

2 Answers

I have a Hasqvarna 150BT blower that started to make a knocking noise at full power and has lost some power. Seems to start ok. Loss of power / rpm and knock are only ploblem?


I had the same issue with a Husqvarna 150 BT blower. Brand new ran through 2 tanks of gas and need to buy more gas , mixed 50 to 1 ratio 87 octane on new gas which was the same as what i was running and it started pinging and running like **** then stalled and would not start. took the plug out and it was fouled. cleaned the plug got it running again but still not good. This model comes with a NGK CMS7H plug which i replaced with a champion RZ7C and new gas 93 octane and lawnboy oil mixed 50 to 1 ration and now its running like a champ. I've had bad experiences with NGK spark plugs in the past and thought this may resolve the issue and it did. Hope this is helpful to anyone out there having the same issues. Also used some fuel stabilizer in the fuel mix, I hear this helps with the ethanol problem in the fall/winter gas.

May 13, 2010 | Husqvarna Backpack Blower 25cc, 140 Mph,...

2 Answers

2003 Yamaha 125 yz plug fouls pretty quickly. running 32/1 fuel oil ratio, and using NKG plug 2411/B8ES. Do we need to run a hotter plug?


NGK BR9EG is the stock plug for your bike. You are one heat range hotter already. I suggest you go to a BR8EG to keep you in the racing plug style but one range hotter than stock. I question what 2 stroke engine oil you are using. Stick with Yamalube 2 stroke oil and you should be okay. If you are using standard motor oil like you have in the gearbox then the fouling is definitely the oil.

Oct 27, 2009 | 2003 Yamaha YZ 125

2 Answers

What is the correct ratio for fuel mix for a ECHO weed trimmer..SRM-210


A 50:1 ratio with 89 Octane fuel can be used in all ECHO 2-stroke equipment, provided the oil is ISO-L-EGD and JASO M345 FC/FD certified. ISO-L-EGD and JASO M345 FC/FD oil must be used with a mid-grade (89 octane) or premium gasoline in all 1997 and newer engines.
A 50:1 Ratio = 1 US Gal. 89 Octane + 2.6 fl. oz. ECHO POWER BLEND OIL
Echo Power Blend Universal 2-Stroke Oil can be used in all of our 2-cycle air-cooled equipment ever made. You may also use this oil in any other brand of 2-cycle air cooled equipment, but it should always be mixed at the 50:1 ratio whether or not it was a 32:1 or 16:1 etc. machine. This oil is the highest quality 2-cycle oil on the market today. There is no need to have more than 1 tank of fuel for your 2-cycle equipment any more.
Use only fresh gasoline with a minimum octane rating of 89 through 93 (mid-grade to premium) at all times. The gasoline suppliers blend mid-grade and premium gasoline with greater amounts of detergents and anti-oxidizing additives to keep the engines clean. Lack of these detergents and additives in a 2-stroke engine will cause a heavy build-up of varnish and gum deposits on the piston surface and ring grooves. Regular unleaded 87 octane or lower gasoline may not contain enough of the detergent additives that are needed in a 2-stroke engine to keep varnish, gum, and tar deposits from forming. Use of 87 octane fuel may shorten the life of the engine.

ALL TWO-STROKE OILS ARE NOT EQUAL!
ECHO POWER BLEND OIL, is manufactured exclusively for ECHO, Inc. and meets the (ISO) International Standards Organizations highest performance rating of ISO-L-EGD for Air Cooled 2 Stroke oils and is JASO M345 FC/FD REGISTERED. Years of research and testing have resulted in an oil that is fully compatible with fuels containing 10% ethanol and can be used in all air - cooled, outdoor power equipment 2-Stroke engines at 50:1 ratio. ISO-L-EGD and JASO M345 FC/FD rated oils must be used with a mid-grade (89 octane) or premium gasoline in all 1997 and newer engines. Always look for the JASO M345 FC/FD square logo and registration number to ensure you are using the highest quality 2-stroke oil for your ECHO product.
ECHO POWER BLEND OIL is made for high revving, (7,000 RPM and up) air-cooled 2-stroke engines that are E.P.A. and C.A.R.B. emissions certified. Make sure the oil has a EGD and FC/FD certification. Oils that meet ISO, EGA/EGB/EGC and JASO FA and FB are of lesser quality, designed for applications such as water-cooled boat engines, low RPM lawnmower engines, or snowmobile engines and should not be used in ECHO Engines. Prior to 1997, oils were not manufactured to these higher standards. Some or most of the oils were simply 30 or 40 weight 4-stroke engine oil with minimum amounts of additives. ECHO POWER BLEND OIL is the highest quality 2-Stroke oil available and will provide maximum protection against engine wear and carbon buildup.

Sep 04, 2009 | Homelite Consumer Products 4.0 Amp, 13 In....

1 Answer

Hello, I installed a SXS airbox cover part # 59206003600 on my 2004 200 EXC and it now bog's from idle to when transision to the main jet or flat out. It also bog's down when I go to throddle out of a...


yes it is starving for fuel. please put in a larger jet. you may want to go to the 3erd next higher one. remember you can add more air from the mixture screw.

Aug 31, 2009 | KTM EXC 200 Motorcycles

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

I have an Echo 300E leaf blower and can't find the gas oil mixture.


Here it is straight from ECHO:

Link is http://www.echo-usa.com/faqs.asp


A 50:1 ratio with 89 Octane fuel can be used in all ECHO 2-stroke equipment, provided the oil is ISO-L-EGD and JASO M345 FC/FD certified. ISO-L-EGD and JASO M345 FC/FD oil must be used with a mid-grade (89 octane) or premium gasoline in all 1997 and newer engines.
A 50:1 Ratio = 1 US Gal. 89 Octane + 2.6 fl. oz. ECHO POWER BLEND OIL
Echo Power Blend Universal 2-Stroke Oil can be used in all of our 2-cycle air-cooled equipment ever made. You may also use this oil in any other brand of 2-cycle air cooled equipment, but it should always be mixed at the 50:1 ratio whether or not it was a 32:1 or 16:1 etc. machine. This oil is the highest quality 2-cycle oil on the market today. There is no need to have more than 1 tank of fuel for your 2-cycle equipment any more.
fuelmixchart.gif

Apr 19, 2009 | Garden

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