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To the contrary, synthetic oil does not have ash content levels found in conventional oil. This gives it an 'anti foul' property. I have heard on 2 cycle engines when using synthetic to replace conventional you have to run it at a thinner oil fuel ratio. Best be there is to follow the oil and equipment manufacturers recommendations on fuel-oil ratio.
I have a 1992 Olds Custom Cruiser with a 350 Chevy engine and 356,000 miles on the original engine. At 300k, it started fouling #8 and #3 plugs in about 1,000 miles on conventional oil. A higher heat range plug (moved from R43s to R44s) helped and added about 3,000 miles between plug fouling. Moving to synthetic oil (Mobil 1) seems to have helped the best I can get 15K miles now between plug problems and that is about 3/4 of a years worth of driving for me.
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∙ 10y ago
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Why do spark plugs foul on dirt bikes?
spark plugs tend to foul because too much oil builds up around the plug and it cannot work correctly. *sometimes* you can actually remove the plug, clean it, re-gap it, and replace it in the bike.
Can a leaking valve cover gasket cause a misfire?
Yes, if it leaks oil through and on to the spark plugs, it will foul them and cause a missfire.
What is the potential problem with too much oil in crankcase?
Too much oil in the crankcase will cause the oil to slosh up into the firing chamber and foul up the spark plugs.
Can too much oil cause stalling?
yes! Too much oil can cause the spark plugs to foul(ie;oil fouled)a black oily electroid prouducing a weak spark. Which in turn could cause stalling.
What causes oil?
An engine that burns oil will usually foul the spark plugs. That, in turn will cause ignition misfire, higher emissions and likely damage the catalytic converter.
How do spark plugs foul?
There are a number of ways that a spark plug can foul if you are asking how basically they become coated with oil as a result of numerous ways but basically oil escaping past the intake valve somehow. A little different between two and four cycle engines but basics are the same.
What causes oil burn?
An engine that burns oil will usually foul the spark plugs. That, in turn will cause ignition misfire, higher emissions and likely damage the catalytic converter.
What are disadvantages of using synthetic oil in 2 cycle outboards?
None, except price. Synthetic will create less carbon and your spark plugs will last longer. I use synthetic in all my 2 cycle engines.
Why do you have oil on your spark plugs?
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Will bad spark plugs cause an engine to burn oil?
No, but burning oil will give you bad spark plugs.
What will happen if you put 4 stoke oil in a 2 stoke lawn mower?
You will foul your spark plugs and probably ruin your lawn mower. Because that oil is not designed to mix with your fuel.
How do you tune up a 1999 dodge cargo van?
Spark plugs, wires, distributor cap, synthetic oil, air filter, shocks, brakes
