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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
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Chance of seize during road riding?
Hi guys,
I'm considering riding my EC300 also on dirt roads and was wondering about the cances of seizing. Have heard that the mixture supposedly becomes extremely lean under certain circumstances, but can't remember which. It's jetted nicely with an LTR needle, 42PJ and an 180MJ. Fuel economy is good, plug looks dandy. Running 2% semi-synthetic and considering fully synthetic if it makes a difference. What is important to keep in mind to avoid frying this fine motor?
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mint 2008 EC200. Earlier bikes: Husqvarna WR125 '12, Husaberg FE450 '10, Sherco 4.5i '05, EC300 '07, YZ450 '03, WR250F '01, WR400F '00. |
#2
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Try not to use the same throttle opening for any length of time.
Vary the throttle position slightly over time. Especially if you are running Wide Open Throttle. Check your plug color after running at WOT for any longer lengths of time. Remeber you can cold sieze the motor by running at faster speeds if the air temperature is to cold. Block one of the radiators off if you ride alot in the cold. If you are going to do a lot of road riding reconsider your gearing. Stock is 13 : 48 and should be appropriate for 80 kmh +. 13:50 / 13:51 might not be.
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Steve Berkner I've attended 21 Six Days as a working Photojournalist |
#3
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Steve,
Thanks for your answer. It would mostly be under 80kph and low loads, mostly just poking around, stock gearing which works really nice. Another situation: after full acceleration through the gears, should the clutch be pulled in during braking so that the engine can idle down, thus avoiding engine braking with the slide closed back through the gears? Or, do some engine braking and blip the throttle every few seconds? Any info is much appreciated. Later, Fred
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mint 2008 EC200. Earlier bikes: Husqvarna WR125 '12, Husaberg FE450 '10, Sherco 4.5i '05, EC300 '07, YZ450 '03, WR250F '01, WR400F '00. |
#4
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There is not really engine braking on the 2 stroke bike, that would be one of those 4 bangers. Are you talking about coming to a complete stop or just braking in general and also street or dirt?
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#5
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Hi,
It would be on dirt roads or street coming down from maybe 120kmh to almost a complete stop. What would the best technique be on a 2-t? 1. Closing the throttle, not disengaging, staying in 6th, using the brakes and the little available engine braking, or 2. Going back bown through the gears 6-5-4 etc., blipping the throttle between gears, or 3. Disengaging the clutch, letting the engine come down to idle? Ideas?
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mint 2008 EC200. Earlier bikes: Husqvarna WR125 '12, Husaberg FE450 '10, Sherco 4.5i '05, EC300 '07, YZ450 '03, WR250F '01, WR400F '00. |
#6
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What is with this KMH crap. you would think the rest of the world is metric or something!!! haha. Well I try to use a good mix of brake and downshifting through the gears when slowly down with as little clutching as possible. Also when brake down hill if you use a steady low to mid throttle with rear and front braking you can stop with much more control than if clutch and braking. Seems to just lock up when I try to brake with the clutch in but if I gas it a little when braking it keeps the bike from stalling and feels very controlled.
Good Luck with it! - Josh |
#7
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Be CAREFUL with this one. With high RPM and the slide closed, your 2t engine can't get enough fuel (lubrication) and can seize.
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#8
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