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Fuel Filter Causes Prob?
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JAS
Fuel Filter Causes Prob?
would/could an automotive inline filter cause a problem?? i have went thru all the steps to make my bike run richer-orings,seal air box etc.....still lean grabbing at straws. the mixture screws still have factory plugs over them.i wanted to get it back right,without uncovering the screws[last resort]. but im out of ideas..thanks in advance for your replies 1982 GS650GTags: None
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hoyterb
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Originally posted by JAS View Postwould/could an automotive inline filter cause a problem?? i have went thru all the steps to make my bike run richer-orings,seal air box etc.....still lean grabbing at straws. the mixture screws still have factory plugs over them.i wanted to get it back right,without uncovering the screws[last resort]. but im out of ideas..thanks in advance for your replies 1982 GS650G
The correct filter is not a problem, but automotive ones are. They are designed to have fuel pushed through them with a pump, which we don't have. Get one made for large motorcycle engines, for a 5/16 inch hose on both ends, the type with the gold colored porous stone inside.Last edited by tkent02; 03-15-2008, 09:02 PM.
Life is too short to ride an L.
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JAS
stock exhaust,it had an inline filter when i got it,i had a small auto filter laying around,i when doing my carb work,i replaced it
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BlackStar
An automotive type of filter will cause problems because it will not flow enough fuel in a gravity feed system. You need to use one designed for a gravity feed system. Even then, it seems the lines need to be routed carefully to ensure you have enough fall in the lines. Ask me how I know?
Finally just cleaned the tank properly and got rid of the filter.
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Originally posted by JAS View Post... the mixture screws still have factory plugs over them.i wanted to get it back right,without uncovering the screws[last resort].
As others have mentioned, use the proper filter if you feel you really must have a filter.
If you can't find a motorcycle-specific filter, look in the lawn mower section. Most lawn mowers also have gravity-fed fuel systems.
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JAS
You are correct sir,they should have been my first resort.I just had my blinders on,got tunnel vision:-|,thanks for all the feed back.whats the BEST way to get the plugs out over the mixture screws??
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hoyterb
"whats the BEST way to get the plugs out over the mixture screws"
Drill a small hole in cap and use a small screw to pull it out.
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Forum LongTimerGSResource Superstar
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Originally posted by hoyterb View Post"whats the BEST way to get the plugs out over the mixture screws"
Drill a small hole in cap and use a small screw to pull it out.
Once you have a small hole in the center of the aluminum cap, screw in a sheet metal screw just enough to grab the cap - then using pliers on the screw, lever out the cap. Takes a little muscle but you will get it.Ed
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Forum LongTimerCharter Member
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Yes, automotive fuel filters are meant to be used with a fuel pump which creates pressure. They will not flow sufficiently (usually) by gravity feed as is on the GS. There is a fuel filter screen inside the gas tank and around the fuel pick up tubes on the petcock. No additional fuel filter is needed anyhow.
Earl
Originally posted by JAS View Postwould/could an automotive inline filter cause a problem?? i have went thru all the steps to make my bike run richer-orings,seal air box etc.....still lean grabbing at straws. the mixture screws still have factory plugs over them.i wanted to get it back right,without uncovering the screws[last resort]. but im out of ideas..thanks in advance for your replies 1982 GS650GAll the robots copy robots.
Komorebi-The light filtering through the trees.
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Originally posted by tkent02 View PostThe original screw position is not correct, it was as lean as it could be with a brand new engine and 1982 gasoline, you need to turn those screws out a little bit.
As far as automotive fuel filters go, note that many cars get better than 30 mpg, which means that they use only about 50% more gas than many GSes, despite having engines several times larger and weighing 5 times as much. The pressurized fuel systems push gas through filters, while we only have a few inches of gasoline pulled by gravity. The stock petcock includes a filter. Why do you want another filter?sigpic[Tom]
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