Back Fire screen
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Joined: Jan 2013
Posts: 143
From: Central West NSW, Australia
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Joined: Sep 2009
Posts: 618
From: WA state
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why English drink warm beer- Lucas refrigerators
suggest with no screen make sure ALL the solvent in new filter oil is evaporated before running motor
another thought, the stock klx cam timing has little (none at 1mm) overlap so is less likely to flame back than a more modern fourstroke with bigger cam timing.
suggest with no screen make sure ALL the solvent in new filter oil is evaporated before running motor
another thought, the stock klx cam timing has little (none at 1mm) overlap so is less likely to flame back than a more modern fourstroke with bigger cam timing.
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Joined: Jan 2008
Posts: 869
From: SW Ontario, Canada
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It was the last mod I did and it made a significant difference. I'm not sure that it's raw airflow as much as it may have something to do with the way the air flows with the screen out and it's affect on the carb and slide action. I would do it again in a second.
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I left the screen in for a while cause it wasn't easy to take it out and cut the screen. Didn't want to leave little metal bits floating around. Then while doing some other maintenance the filter frame came out and I cut the screen and sanded around the edges.
It definitely makes a difference cause I could feel it immediately.
It definitely makes a difference cause I could feel it immediately.
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Joined: Feb 2011
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From: Northern Kettle Moraine
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Why would you think that?
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From: Central West NSW, Australia
I don't know what the rules are over there, but here if you're caught spitting sparks out your pipes in the bush you will have a most uncomfortable ride home in the back of the police vehicle with your bike firmly wedged between your butt cheeks.
Those screens are there for a reason.
Those screens are there for a reason.
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Joined: Mar 2008
Posts: 3,406
From: N. Illinois
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I think some people reading this/commenting are confusing the two screens on the KLX . The spark arrestor is in the end of the muffler. It's meant to keep sparks from coming out and starting fires in the woods. The backfire screen is in the airbox just downstream from the air filter. I'm not sure how it's supposed to work. 
Dan
Dan
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Joined: Sep 2009
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From: Abilene, TX
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I don't know what the rules are over there, but here if you're caught spitting sparks out your pipes in the bush you will have a most uncomfortable ride home in the back of the police vehicle with your bike firmly wedged between your butt cheeks.
Those screens are there for a reason.
Those screens are there for a reason.
If he is actually referring to the backfire screen, forest or BLM rangers would not go that far into a vehicle inspection...though if you were caught with certain substances on your person, they might indeed look up your tailpipe...yes...your tailpipe...LOL!
Last edited by TNC; Feb 22, 2013 at 02:25 AM.
