Question about 1999 Suzuki SV 650

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Suzuki 99 sv running very rich and fouling plug front with constant miss while riding slow ? could you please help me on low budget thanks

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Check for crushed breathers. check air filter. clean if sponge type. replace if paper type.

Posted on Mar 09, 2010

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Carbon fouling spark plugs


Weak Spark, worn piston rings(Burning oil/compression issues), lack of compression, wrong spark plugs, incorrect spark plug gap, engine not reaching operating temperature (Due to short use), carb. is running rich (May need adjusting), dirty air filter (Causing carb. to choke and run rich). Bad gas
All these symptoms could lead up to fouling plugs.
Hope This Helps.

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I have a 2003 z4 the car shut off and every light on the dash came on I had to be towed I replaced the alternator (which was bad), now the car runs but wont idle smoothly. The engine seems to be running...


According to me you should go to any auto shop and check your ride for any error code. You mentioned that your ride is running rich on fuel; the reason can be faulty O2 sensor or throttle body. Also faulty Air filter, faulty fuel pressure regulator, leaking injector and high fuel pressure can be the cause of the problem.

Jun 30, 2013 | Cars & Trucks

1 Answer

Spark plugs fouling in less than a week !! please help


Hi, Hitmagedz and the usual suspects are:
1. Dirty air filter.
2. Fuel mixture too rich or enrichner/choke left out too long.
3. Faulty spark plug.
4. Incorrect spark plug heat range for the engine type or service.
5. Piston rings badly worn or broken.
6. Valve guides are badly worn and/or seals worn, crushed or have come off the valve guide and are pumping oil through it.
7. Spark plug cable weak or leaking check for spark jump in the dark.
8. Faulty ignition coil.
9. Low RPM nonaggressive riding style.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Fouling Plugs and Misfire on 97 VT1100
Basic Motorcycle Maintenance How To Honda 2002 VT1100 Shadow Sabre 2000...
Honda shadow vt1100 Owners Workshop Manual
http://www.partsfish.com/page/oem-parts-for-honda
Honda VT1100C2 Owner Manual Page 3

Apr 03, 2012 | 2001 Honda VT 1100 C2 Shadow Sabre

1 Answer

I have 2007 suzuki intruder the front spark plug was replaced 3 times due to intermitant spark.Each time i check the spark plug no spark then replace the plug then spark then runs for short period the No 1...


Fouling of the spark plug makes the exhaust extremely hot due to the burning of the fuel mixture inside the exhaust pipe and the spark plug end turn to black, fouling of the spark plug may be due to too rich fuel mixture check the correct setting of the air valve.

Jul 10, 2011 | 2001 Suzuki VL 250 Intruder LC

1 Answer

Hi there people I have a problem with my sv400s sukuzi well the bike was standing a couple of mouths and I tried to start it, there is petrol running out from the over flow , I asked around and someone ...


From sitting so long your carb has gummed up and now must be removed and cleaned. Replace the plug with a new one, a fouled spark plug will not spark.

Apr 28, 2011 | 2000 Suzuki SV 400 S

1 Answer

John deere 135s won't start briggs and stratton 22 hp engine it is getting spark and fuel and I just put new plugs in because the looked fouled.


Hello,

There are four reasons for fouled spark plugs, 1, You have a resticted air flow ( dirty air filter, or partially engaged choke), so the mixture is rich all the time fouling tghe plugs. 2, You have a poor quality fuel ( old, stale ), and it wont combust/burn hot enough, then fouling the plugs. 3, You might have a piston ring failure causing engine oil to be left on the cylinder wall instead of being wiped back down, and then burning as part of the combustion process. Thus burning and causingg a rich condition again, and fouling the plugs. Then finally number 4, low engine compression. This is again caused by worn cylinder walls and worn piston rings, causing compressed air/fuel mixture to leak past the rings into the crankcase, and when the fuel/air mixture is compressed then ignited, some of the air needed to ignite the fuel has escaped, and thus a rich condition again, fouling the plugs.


Determining which of the Four are causing you fouling is your next step.

Hope this helps

Nov 12, 2010 | John Deere 420,1020,2010,2020,2510,2520...

1 Answer

I have a sv 1000 2005 it has a miss once it reaches temp it stalls often the plugs fowl it has staintune exhaust i hope its just a tune has anyone had this problem cheers andy


Yes, usually with High Octane High Density fuels, the fuel doesn't burn completely and hands on the cylinder wall. It then becomes too rich to burn and fouls spark plugs. Try using a non-high density fuel.

Feb 12, 2010 | Suzuki SV 1000 S Motorcycles

1 Answer

I have a 85 gsxr 750 running rich on the left


Hi Chris,
You will have to recheck the float level (in the float chamber) of those two carburators, reset if necessary.
You may also have to reset the air-mixture screw for both of those carbs. Standard procedure to set htem is tighten them all the way in making sure not to over tighten to avoid damaging the sharp end of the screw, and thn to open 2 and a half to 3 turns.
You can thn reset them as the engine is running + -- either way.
Hope this helps!

Dec 20, 2009 | 1986 Suzuki GSX-R 750 G

1 Answer

I have the Suzuki GS 750E, the spark plugs are constantly becoming fouled, how do i correct this problem


sounds like its running to rich, check your air filter is clean, set your carb mixture ,
turn the screws in untill they bottom out ,but dont turn to hard !(they have a fine needle point end and are easy to break leaving the broken point inside the carb making adjustment impossible )back all four screws out 1.5 turns and start from there.run the bike and adjust from there to rich turn out to lean ( weak turn in )

www.thegsresources.com a good web site for these bikes.

good luck

Nov 23, 2009 | 1978 Suzuki GS 750 E

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