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2 Stroke Bicycle Engines & Kits 2 stroke motorized bicycle engine kits need careful installation and setup, find out how from our professionals here!

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  #1  
Old 07-23-2009, 04:16 PM
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AH64Apache AH64Apache is offline
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Default she won't fire up :(

Hi Folks,
OK I'm finally breaking down and asking for help. I'm stubborn and like to figure things out for myself. Anyway, I installed the Black Stallion 80cc kit on my mountain bike. I've been trying to get it started for about a week now. I tried some things I found here in the forums, but she still won't fire.
Here's what I did just last night. I adjusted the clutch via the "flower nut". Didn't fire but sounded better. Thought it might be flodded so I went through the technique described by Mark (I think) in a post somewhere here to clear the engine. Almost sounded like it was going to start after that. So, I thought I had too much grease in the gears, which I did. So I took off the flower nut and clutch plate. Cleaned the clutch plate and pads (also scapred out extra grease). After I did that and tried to start. It sounded like the motor was working now, but just not firing. So I changed out the spark plug. Still nothing. I changed out the plug on the ignition coil. Still not firing. Then while trying to start it, the chain came off twice, which never happened the 20-30 times before. So now is my clutch too tight? Also, on the last attempt, I think the throttle came loose, or broke because now it twists all the way around So I gave up last night and drank heavily Plus as old as I am climbing back up the hill to my house 20 times a night with the bike & motor is getting tiring! Tonight I'll probably take a break from it and go fishing instead after work. Relax, fish and have a few Rolling Rocks!!
Anyway, any idea what it might be? How do you test to see if its getting a spark? Speaking of which. This doesn't seem normal/right to me. The plug that goes on the top of the spark plug does not/will not snap/fit on the top of the sparkplug. Is that normal? To me it doesn't seem right, but what do I know,, I'm new to this.
Also, for priming that motor, I heard they're easy to flood. But then I read that a guy didn't get his to fire until he held down the primer button for a few seconds, twice. I'm just "tapping" mine twice, but I also tried his method. So I'm guessing every engine is a bit different as far as that goes? How much do you prime? I can here the gas going in when I push the primer button. Also, is the choke needed when the motor is cold, but the outside temp is between 60-70 degrees? I tried up, down, middle. Hopefully I didn't leave anything out. Maybe its the throttle? The cable was installed from the factory, so I didnt ever mess with that.
Any help or ideas would be greatly appreciated!
Thanks so much!
Joe
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  #2  
Old 07-23-2009, 04:20 PM
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AH64Apache AH64Apache is offline
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Default Re: she won't fire up :(

PS. I also tried it w/o the kill switch wire,, and checked the wiring.
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Old 07-23-2009, 04:24 PM
bodydropped bodydropped is offline
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Default Re: she won't fire up :(

i had the same issue with my black stallion kit. what i ended up doing was peddeling the bike releasing the cluth and reaching down and moving the clutch shaft outward away from the motor with a slight twist on the throttle and mine fired but i had to keep peddling until it woke up a bit .it sounds iffy but its not to hard to do after a week of riding it started to fire on its own.try it and let me know. good luck.
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Old 07-23-2009, 04:25 PM
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Ilikeabikea Ilikeabikea is offline
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Default Re: she won't fire up :(

Pull the plug out and with the plug wire attached to the plug get someone to spin the back tire while holding plug against the engine and see if the plug is firing. It might be easier see in the dark. Thats where I would start...................
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Old 07-23-2009, 04:27 PM
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Cabinfever1977 Cabinfever1977 is offline
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Default Re: she won't fire up :(

unscrew the tiny metal tip on the sparkplug and then put the cap on it,now it will fit perfect.
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Old 07-23-2009, 04:58 PM
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AH64Apache AH64Apache is offline
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Default Re: she won't fire up :(

Thanks guys! I'll give that stuff a shot. I'm willing to try anything
Why don't they tell ya to unscrew the top of the plug in the instructions? Or do they and I missed that part? I'm usualy very good following instructions.
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Old 07-23-2009, 09:37 PM
TheE TheE is offline
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Default Re: she won't fire up :(

I had that problem with the throttle breaking too. The little nib on the underside of the throttle that fits into a hole in your handlebar snaps off very easily. I just drove a huge assed screw in there, and now it stays put =D
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Old 07-24-2009, 02:07 PM
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Cabinfever1977 Cabinfever1977 is offline
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Default Re: she won't fire up :(

they dont tell you to unscrew the tip of the plug in all the manuals but one that i found(i forget which one) but i had to look it up online when my cap didnt fit the plug and i was wondering why.
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Old 07-24-2009, 02:10 PM
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unior unior is offline
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Default Re: she won't fire up :(

Relax, fish and have a few Rolling Rocks!!


Yes!
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Old 07-24-2009, 05:04 PM
freewheeling frank freewheeling frank is offline
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Default Re: she won't fire up :(

ya it is friday payday not working on anything tonite except a few barleypops!
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