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It is lugging bad, it starts fine, but is really having a hard time going above about 20 mph, any suggestions? it sputters and backfires a bit, but just wont go above 20.

2006-07-25 12:59:48 · 7 answers · asked by Anonymous in Cars & Transportation Motorcycles

7 answers

If the plug was fouled, it wouldn't fire because it'd be shorted out either by fuel or carbon buildup. Not a bad idea to clean it though.
Check the gap as someone said also-too big a gap and the ingition timing is late/not enough "Push" at the right time, if the gap is too small and the ignition timing is too early, the engine ends up working against itself.

Lugging/bogging is caused by a dirty/clogged fuel filter, dirty air filter or a partially plugged exhaust.
Two-stroke engine exhaust is sooty by nature and that soot builds up in the exhaust baffle. All engines need air to breathe and a place to get rid of it just as quickly as it intakes. These soot deposits plug up the holes in your exhaust baffle. Insufficient airflow in or out of the engine=insufficient performance.

1.)Clean and check plug gap.
2.) Remove, clean/replace air filter element.
3.) Check fuel filter, replace if needed.
4.) Remove exhaust pipe/muffler and remove internal baffle. Heat baffle for an hour or two with a handheld propane torch to make those greasy carbon deposits brittle.
Tap baffle on hard ground to knock crud loose. Wire brush anything else that doesn't just fall off. Reinsert baffle and reinstall exhaust pipe/muffler.

2006-07-26 04:05:44 · answer #1 · answered by doomsdaybiker 2 · 3 3

Remove the spark plug and look at the electrode (the end that goes in the combustion chamber). The ceramic surrounding the electrode should be a very light brown, or khaki color. If it is black and sooty looking and has a lot of black crud on the electrode then the plug is fouled and should be replaced.

p.s. change your air filter. A clogged filter can cause your engine to run too rich. Incomplete combustion takes place leaving behind the sooty residue you see on the plug.

2006-07-25 13:06:32 · answer #2 · answered by Albannach 6 · 0 0

could be a pair of issues. attempt changing the plug. Do you notice any strains down the outdoors of the spark plug? it quite is carbon monitoring it quite is advance of carbon in small cracks interior the plug. those cracks wreck down the insulation of the porcelein and permit some spark skill to shuttle down the outdoors extremely of the interior inflicting incomplete combustion which motives fouling. might desire to be your coil (the bit that the extreme rigidity deliver approximately the spark plug comes from) is on the way out. might desire to be contaminated gasoline.. stable success :-)

2016-12-10 14:28:12 · answer #3 · answered by richer 3 · 0 0

If you see the plug is all wet then it is fouled, but you say it starts up good so that is not the problem.I would say there is some kind of fuel problem, have you ever changed the fuel filter? does it have a carburator? try adjusting the adjusting screw if it does.

2006-07-25 13:09:40 · answer #4 · answered by mister ss 7 · 0 0

remove it and look at it if is black it is fouled regap the plug and install

2006-07-25 13:04:40 · answer #5 · answered by accomacgeo 4 · 0 0

sounds like you need a tune up

2006-07-25 13:04:14 · answer #6 · answered by bullticky 5 · 0 0

Just buy a new plug, they don't cost but $2.50 - $3.50 that way you'll know for sure.......................J

2006-07-25 15:39:29 · answer #7 · answered by bigjerry61 4 · 0 0

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