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| Motorized Bicycle Trouble Shooting Use this area to post problems that may arise that you could use some help in figuring out what is wrong with their bicycle motor and what needs to be done to achieve top performance. |
Engine Starts but when throttles..nothing
Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle Trouble Shooting forum. I'm new to engines and my engine was doing great all day, but then towards the end, I shut ...  | | 
03-07-2009, 09:57 PM
| | Motorized Bicycle Newbie | | Join Date: Nov 2008 Location: Cleveland
Posts: 8
| |  Engine Starts but when throttles..nothing
I'm new to engines and my engine was doing great all day, but then towards the end, I shut it down, then when I tried starting it back up, it did, but when i throttled it, it sounded like a mini-rev and nothing happened...any idea's whats wrong?  |
03-07-2009, 10:44 PM
|  | MB Builder Extraordinaire | | Join Date: Jul 2008 Location: coventry, RI
Posts: 384
| | Re: Engine Starts but when throttles..nothing
check all your wires and intake/carb nut tightness.
and make sure your throttle cable isnt coming unscrewed from the top of carb.
is the spark plug tight?
__________________ New, fully assembled motored bikes here: http://happytimecycles.wordpress.com/ 401-952-7064 Quote:
Originally Posted by Dan  sn0rk. | Quote:
Originally Posted by Bikeguy Joe You are one sick man spun, I like that quality in a person. | A 20-year smoker, I quit smoking with the help of this--->http://www.premiumecigarette.com/415.html a smokeless, non-tobacco electronic cigarette. |
03-07-2009, 11:06 PM
| | Motorized Bicycle Newbie | | Join Date: Nov 2008 Location: Cleveland
Posts: 8
| | Re: Engine Starts but when throttles..nothing
i completely took apart the carb and screw everything back nice and tight, still nothing. |
03-08-2009, 12:26 AM
| | Motorized Bicycle Member | | Join Date: Oct 2008 Location: Australia
Posts: 39
| |  Re: Engine Starts but when throttles..nothing
might be
choke
spark
oil fuel mix
good luck |
03-08-2009, 12:12 PM
| | Motorized Bicycle Elite Member | | Join Date: Jul 2008 Location: Northglenn,Colorado
Posts: 595
| | Re: Engine Starts but when throttles..nothing
Clogged exhaust.
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03-08-2009, 12:16 PM
|  | Godfather of Motorized Bicycles | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 7,081
| | Re: Engine Starts but when throttles..nothing
"Sounded like a mini-rev"? Has the throttle cable or associated parts dis-connected?
It starts and idles fine, but the throttle will give no response?
Details please.
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If it ain't broke, and you mess with it long enough, it will be. |
03-08-2009, 09:55 PM
| | MB Builder Extraordinaire | | Join Date: Jul 2008 Location: coventry, RI
Posts: 384
| | Re: Engine Starts but when throttles..nothing
yes...can you be alot more specific?
is the choke all the way on the 'ON' position? if so, it will start for a second or so, then might die.
__________________ New, fully assembled motored bikes here: http://happytimecycles.wordpress.com/ 401-952-7064 Quote:
Originally Posted by Dan sn0rk. | Quote:
Originally Posted by Bikeguy Joe You are one sick man spun, I like that quality in a person. | A 20-year smoker, I quit smoking with the help of this--->http://www.premiumecigarette.com/415.html a smokeless, non-tobacco electronic cigarette. |
03-08-2009, 11:32 PM
| | Motorized Bicycle Newbie | | Join Date: Nov 2008 Location: Cleveland
Posts: 8
| | Re: Engine Starts but when throttles..nothing
No matter what position the choke is in..nothing happens, and yes it starts..but if u stop pedaling, or the bike isn't moving, then engine just dies. |
03-09-2009, 12:25 AM
| | Motorized Bicycle Newbie | | Join Date: Mar 2009 Location: Winnipeg
Posts: 5
| | Re: Engine Starts but when throttles..nothing
Does the engine actually start..or is it just the sound of the engine turning over due to the momentum of the bike. Sounds like it could possibly be a coil/mag problem-not firing. |
03-09-2009, 03:02 AM
|  | Motorized Bicycle Elite Member | | Join Date: Nov 2008 Location: Las Vegas NV USA
Posts: 428
| | Re: Engine Starts but when throttles..nothing
i agree does not sound like the motor is starting at all i would def start with making sure it sparks if you have spark and fuel then i would look for air leaks | | Thread Tools | | | | Display Modes |  Linear Mode | 
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