Mitsu TLE43 - Any ideas?

hi Warner
kind of watching your thread here -- not sure if I could be of much help
realizing that you are pretty up regarding many MB matters

just thinking here
that if it's a gas problem -- would be I think -- lack of gas
have you checked gas supply ? -- bowl letting plenty in ?

rather than clean your spark plug -- got a new one just to try ?

from up top the mountain -- have fun as you ride that MB thing


MM, I will check the fuel line and tank if these other things don't help. And yeah, I DO have a spare plug. I am starting to think (hope?) that the seafoam may be the ticket....possibly carbon buildup COULD be the issue. I did mix it a little rich when the engine was new. Thanks for the suggestion....

Warner
 
Problem solved! When I left work it was running so poorly that I knew I wouldn't make it home, so I stopped by our maintenance department and borrowed a spark plug wrench and used my SPARE (thank goodness!) spark plug. It was obvious upon removal of the old plug that it was the problem as a piece of carbon or something was shorting the electrode. Installed the new one and Wa-La! Runs great again. Well enough to hit 41 mph on my way home. (OK safety police...let me have it!)


Warners

Let us in on your secret:geek:.

How does a Mitsubishi engine push a bike to 41mph?:whistle:

I have TWO mitsubishi engines on one bicycle and I haven't hit 41mph yet.:giggle:
 
Anyway, I had that same problem on "Bishi", the newer engine I installed up front. After 2 miles of running, the engine would quit cold turkey.

:unsure:When I opened the gas cap, I could start the engine again.

The problem disappeared forever when I plumbed in my auxiliary reserve tank to both engines.

Can you guess what the problem was?:geek:
 
Let us in on your secret:geek:.

How does a Mitsubishi engine push a bike to 41mph?:whistle:

I have TWO mitsubishi engines on one bicycle and I haven't hit 41mph yet.:giggle:


Well, I'm not able to CRUISE at that speed....that was a one time deal, down a slight hill....etc. But on the flats I CAN cruise at 35. I think one of the most overlooked factors when going for speed is the rolling resistance of the tires. Put those big a$$ balloon tires on for a comfier ride and guess what? The engine has to work MUCH harder to move the bike. I have Specialized Armadillo tires on, for puncture resistance and they roll pretty good. The tires I had on before rolled even better, but they were not good commuter tires....at least not for my debris-laden route.

Warner
 
Over long experience with 2 strokes,I learned that if engine acts up under power,intermittent running etc,the first thing to do is is to just to replace the plug with a known good one,the ignition is the most likely source of trouble in this situation.Looking at a plug is not good enough.Be sure to allways carry a spare one with you and of course a correct size plug wrench also.
 
Warner, thanks for the tip on tires.

are you running GEBE, Staton or DE? What's your ratio or roller size?
 
Over long experience with 2 strokes,I learned that if engine acts up under power,intermittent running etc,the first thing to do is is to just to replace the plug with a known good one,the ignition is the most likely source of trouble in this situation.Looking at a plug is not good enough.Be sure to allways carry a spare one with you and of course a correct size plug wrench also.

JJ, I am finding myself quickly agreeing with you on this one. I removed the spark arrestor (screen) yesterday, cleaned the air filter (totally oiled up....that wasn't helping for sure, and showed how rich I mixed the gas initially), and ran some of that "seafoam" stuff in my gas tank. While it mostly ran good, I took a trip up to the local Home Depot (at night...I LOVE my headlight!) and on the way back it exhibited a hint of the problem. The problem exactly is that sometimes at low or mid range rpm's if you give it full throttle it will bog or hesitate. If I roll on the throttle very slowly, it will build the revs up and once at high rpm's it runs fine. I had this problem with a spark plug before (a piece of carbon got stuck right in the gap of the plug!). I think you're right...I've got two plugs (and I didn't look at the one installed OR try the other one), but I'm going to order 2 more and make sure I have the correct size wrench in my bags. I also fixed my kill switch - those little rotary switches that Staton sells are pretty tricky with the little spring and all!

Warner


PS - Yesterday was really my first day back on the bike for anything meaningful.....I forgot how fun it is. And I also forgot how AWESOME my headlight setup is. It is truly as bright as a motorcycle headlight. It's a 55 watt driving light. I have about $100 into the whole setup, mostly in battery and charger cost.
 
Warner, thanks for the tip on tires.

are you running GEBE, Staton or DE? What's your ratio or roller size?

Mine is a Staton kit. Honestly, I don't remember the ratio. When I ordered the kit from Staton, I told him that I wanted to be able to cruise at 35mph and top out around 40 which is EXACTLY what it is capable of. Typical cruising speeds for me (depending on the incline) is between about 28 and 35 mph. It's fast enough to make the bike usable. Honestly, if it only went 20mph, I would find it a LOT less usable. It would just take too long to get anywhere. As it is, on short trips (5 miles or less) I get to my destination just about as fast as I do in my car.....and when there's a lot of traffic, I get there faster as I just keep going on the shoulder of the road, past all the stopped cars.

Warner


PS - I can HIGHLY recommend those Specialized Armadillo tires! I have run over EVERYTHING imaginable and they do not flat. I don't know if you are familiar with them or not, but they are designed to be able to run over broken glass....there are videos out there of people smashing glass bottles and running them over, purposely lifting the front tire to land on the broken glass...no flats. I even went one step further and ordered these things called "spinskins" that line the inside of the tire....I wanted to be as sure as possible NOT to flat. I got a rear flat on the way into work one day and it SUCKED big time!
 
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