Question about 2003 Beta Eikon 150

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Horrible gas milleage

I'm getting horrible gas mileage (20-25mpg) on my eikon 150 I can only go 45-50 miles before hitting reserve. When I fill up i only have to fill it up 2 gallons. The capacity is 4.5 gallons. I should be hitting reserve w/ about .8 gallons left. i don't know if the two problems are related though. I have a slighly dirty air filter that had been soaked in oil but i was able to rinse it out. I have a new filter on the way. Can this cause the problem? What else should i check?

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I get horrible mileage too with my bike. cant remember the exact miles but its bad. mine has a stage 1 jet kit ive herd that pretty much kills mileage but im not sure. i might have to check my air filter if that can be a problem too.

Posted on Nov 10, 2008

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93 fxr runs out of gas on reserve in 2miles.I've pulled the vale and filter all good.IS used to get 30 miles on reserv y the change ? Can enyone help

My friend, the reserve is to get you to the gas station not the next town. Only a foolish person depends on the reserve for transportation. Do not count on the reserve ... fill up every 100 miles and you will never run out of gas. Forget the reserve setting. The ONLY reason for a reserve position is to account for the lack of a fuel gage. Stop pushing your luck. There is nothing wrong with your bike.

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How do you know your going to run out of gas before you do???

You dont ...

Several things for your consideration.

You should be able to ride for about 100 miles on a full tank. Fill up every 100 miles.

There should be a three way valve on your tank; OFF - ON - RESERVE. NEVER set this to RESERVE unless you miss the 100 mile fill up. Otherwise, you will be walking.

You may be able to go 150 miles on a tank ... DONT DO IT. @ 90 miles, start looking for a station where you can fill up. Your pututti will also thank you.

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What is the gas mileage on this bike that holds 4.2 gallons? Also, how do i activate the reserve tank? Just bought this bike and didn't get a manual with it. How many miles can i ride before i need an...

You didn't say what size Star you had.
Mileage for the 650 is listed at 47mpg ---for the 1100 42.8mpg

The indicator on the petcock valve should have a P & R on it--- P, is primary, R is reserve. It's a simple design, with 2 different length pickups on it. So if you can't read the lettering on the valve. remove the fuel line going to the carbs. when your tank is low on fuel--- And you can determine how to set it. The pickup for the reserve gas will be on the back, or looking at it, right side of the valve.

The owners manual states to change oil every 4000 miles and filter every 8000
Personally, i change BOTH every 3000 miles. Clean oil is the key to keeping a V-twin engine happy and running for many miles. SAE 20w50 synthetic is what i use. I believe the manual calls for 20w40, which is fine for break in and while the bike is under warranty.
The choice is yours.

The Clymer service manual, is a handy tool to have. I recommend you get one. Ebay is a good place to find them along with Amazon....

I hope this helps & good luck with your Star...these are good bikes.

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1 Answer

Fuel mileage

Check your plugs!! If they are dark grey or black you are running rich. Then I would verify that the mileage really is 20mpg. Run gas out until you hit reserve, then add 1 gallon and have a friend ride beside you (with an accurate speedometer) until you hit reserve again, then check your mileage against his. If you have an electronic speedo with digital odometer, they have been known to go haywire for no reason. H-D recalled a bunch of electronic speedos about 2004. Yours could have croaked. A slipping clutch or massive intake manifold air leak will wreak havoc with mileage too. Other possibilities are a weak/failing coil or ignition system, leaking needle and seat or stuck float, low compression (head gasket or bad valve).Do a compression or leakdown test. Make sure your choke is not turned on or stuck part way closed. I have also seen a bad alternator and/or battery decrease mileage. Your brakes releasing properly? No bind in trans or drivetrain? You change tire size or sprockets? Hope this helps.

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