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I have an EW 36 scooter with brushless motor

My EW 36 scooter it is only 2 years old but now has very little power in low gear and struggles to pull away it is fine in high gear, just very slow @ 7.5mph (11.5kmh) and it should do 16mph (24kmh) it has new fully charged batteries, if I try to ride over a "small hump" I can fell the motor "humming like its chattering or stalling" it is trying to go but has no power to move, if I flip it into high gear it go's ok then, but it is still slow at 7mph, I have checked out the wiring loom it look ok, could this be a throttle, power converter, or motor fault? as it only really plays up on low speed,, could it be a dead "mosfet" in the power controller or a "hall censor" and do you know were I can get a repair manual, even a photo copy will help me out, as no repair company will even look at my scooter here in Britain also were can I get spare parts from? every repair company I have asked for help have told me to throw my scooter away as its just cheap junk from china, I hope you can point me in the right direction thanks

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6ya6ya
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Posted on Jan 02, 2017

jj505
  • 195 Answers

SOURCE: clutch slipping on cordless drill. need spare parts to repair.

Are you sure you do not have a tourque adjustment problem. If not I do not believe Makita will want to send you parts,you would have to know what is precisely wrong and by the time you went back and forth you might as well find nearest dealer for repairs and google search Makita.com for service parts near you + zip code to get your drill fixed.

Thanks , Please rate jj505

Posted on Mar 29, 2009

motor1258
  • 6674 Answers

SOURCE: 1990 silverado 5.7l struggles under load only when just off idle

With all you've done so far I'd have to say that I'd be tempted to take it to a good tranny shop just for sake of a diagnosis, which the mechanic can probably do free of charge, and a little drive down the road. Almost sounds like it's trying to take off in second gear or something. Other than that, the only thing that comes to mind at all is possible plugged exhaust, like catalytic converter.

Posted on May 21, 2009

  • 252 Answers

SOURCE: DOESN'T PULL WATER OUT OF AIR

You're gonna have to do a little work but there should be and electric motor shop in any large city that can rebuild YOUR motor. (found quite a few listed under <electric motor> in the GR,MI yellow pages)

Posted on Jun 06, 2009

  • 1 Answer

SOURCE: scooter won't go! no power from throttle

check for broken earth wire between hub and plug.i had same problem,i found a second plug half way along loom inside a piece of innertube sealed at ends with plastic tyes, 2ml black wire good luck.

Posted on Sep 01, 2009

Dolfoff
  • 148 Answers

SOURCE: throttle control won't work after i cleaned the

Hi again Ed,
Starting at the carb throttle shaft, your linkage rod (with tiny spring wrapped around it) should be connected directly to the governor's arm. If there's more than one hole in the arm, connect the rod in the upper-most hole.
Now, at the base of the governor's arm is another hole (possibly on a tab jutting from the arm). The main governor spring should be hooked in this hole and then back to the sliding throttle control that moves when the lever on the dash is moved. (This one definitely has a tab and hole.)

The choke cable end hooks directly on the choke shaft and it has intuitive movement. Verify that the choke butterfly closes and opens relative to the cable control on the tractor's dash.

To insure that we only do this procedure ONCE, and we get it right the first time, let's set the internal governor to base-line at this time.

With everything bolted back up, move the throttle control lever on the tractor's dash to full throttle. Then get a 3/8 wrench and a slotted screwdriver and locate the round governor shaft coming out of the engine block. The governor arm attaches to this with a clamping-bolt. You will notice that the round shaft is slotted for a screwdriver as well.
Loosen the clamping bolt slightly with your 3/8 wrench, insert your screwdriver and rotate the round shaft clockwise until it stops. (It has VERY little travel, so turn it both ways to verify that your are at FULL clockwise position.)
Hold screwdriver there and move the governor's arm in the same (clockwise) direction until the carb's throttle is set to WIDE OPEN throttle. Still holding the screwdriver clockwise, retighten the clamping bolt with the wrench.
Next, move the throttle lever on the dash of the tractor to idle and back to full several times and observe the carb's throttle shaft, it should come down from full throttle to idle and back again freely.

Start the engine and be prepared to shut it off if it over-revs.
If it doesn't over-rev, your base-line settings are correct.

By bending the tab on the sliding throttle control (the one that has the main spring attached) you can now increase or decrease spring tension and change top speed of the engine. Do this in small increments and if you have a tachometer for single cylinder's set top speed to 3400-3600 RPM.

Sorry this is lengthy, but as mentioned above, we only want to do this once.

Hope this helps, and feel free to ask away if you need more info!
Dolf-

Posted on Oct 16, 2009

Testimonial: "thanks for the advice , i got the mower running well now. ed"

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