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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


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  #11  
Old 08-07-2018, 08:28 AM
kdxkid kdxkid is offline
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Originally Posted by Thompo View Post
I get about 35miles (17mpg, 6km/L) to a tank on my re-jetted 2011 250. Granted I have no idea where the squish is but I cant see it getting me another 20miles.
What on earth is going wrong with your bikes? I have a 2011 EC300 - went on 100 mile ride last weekend. Gassed up at the 30 mile mark (note I dropped my bike a few times on a huge hill climb, probably ate a bunch of gas) and it took 1.2 gallons. Didn't gas up again, didn't hit reserve, and finished the day at 98 miles.

So I went almost 70 miles and didn't hit reserve. How the hell are you only getting 35 miles?


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  #12  
Old 08-07-2018, 11:26 AM
Thompo Thompo is offline
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95% of a ride over here would be 2nd and 3rd gear with occasional 1st required. Tight technical slimy forest or narrow rocky trails.
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  #13  
Old 08-07-2018, 11:30 AM
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Motocrotts Motocrotts is offline
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I had a guy get close enough behind me for a bit last weekend. He said he could see gas leaking out of my overflow hoses on a downhill. That tells me the float is at a incorrect level. Pulled it off and sure enough its too high. I was using a good deal of gas before. I'll see how it does now.
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  #14  
Old 08-07-2018, 11:53 AM
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Originally Posted by emepher View Post
Checked my float height last night and it's within spec of the manual.
What is the factory spec on them? They're still using the Keihin PWK carb, right? Anyway, I know I've had problems in the past with PWK float heights. I normally run them at 18mm to eliminate losing fuel on the trail or while on the kickstand.
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  #15  
Old 08-07-2018, 01:59 PM
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Zman Zman is offline
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This may sound silly but it is worth a try. Put the bike on a stand or have someone hold the bike and make sure the bike is as level as possible. Then use a bubble level to verify the carb body is level to the ground. The carb sits on two different angles and it is sometimes difficult by eye to verify it is truly level. If it is not level it can overflow more easily and also run rich.
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  #16  
Old 08-08-2018, 07:47 AM
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Originally Posted by Zman View Post
This may sound silly but it is worth a try. Put the bike on a stand or have someone hold the bike and make sure the bike is as level as possible. Then use a bubble level to verify the carb body is level to the ground. The carb sits on two different angles and it is sometimes difficult by eye to verify it is truly level. If it is not level it can overflow more easily and also run rich.
Yeah, forgot about that. Not being level, or float level too high, both can cause a bike to run rich along with loosing fuel while riding.
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  #17  
Old 08-19-2018, 09:02 PM
jgl1962 jgl1962 is offline
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Default Mine's decent

I get 20 mpg (18 EC300)pretty consistently in a 2 hr Harescramble. Pretty happy with it, was concerned coming from a YZ250fx which got crazy mileage with the fi.

With the 2.6 gallon tank, if I manage to do 40 miles, I would be just getting to reserve.

Just screwing around trail riding it does better too. I have a 38 pj, haven't touched the main and N3CH needle.
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  #18  
Old 08-19-2018, 10:25 PM
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Try using the Beta float adjustment. I had nothing but issues with overflowing on my '07 until I kept adjusting the float. The angle of the carb is causing issues.

I get around 35 to a gallon on the '07 300 if I'm not hammering it.

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  #19  
Old 08-20-2018, 10:58 AM
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Quote:
Originally Posted by Ud_luz View Post
I get around 35 to a gallon on the '07 300 if I'm not hammering it.
Man, I would kill for that kind of mileage! I'm only getting about 45 miles to a 2.5g tank on a 250 with a Lectron. Ugh.
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  #20  
Old 08-20-2018, 11:32 AM
thumperrider1 thumperrider1 is offline
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Quote:
Originally Posted by jgl1962 View Post
I get 20 mpg (18 EC300)pretty consistently in a 2 hr Harescramble. Pretty happy with it, was concerned coming from a YZ250fx which got crazy mileage with the fi.

With the 2.6 gallon tank, if I manage to do 40 miles, I would be just getting to reserve.

Just screwing around trail riding it does better too. I have a 38 pj, haven't touched the main and N3CH needle.
I get the same mileage on mine about 40 until I hit reserve, same needle. Have yet to try the RK head.
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