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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. |
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07-23-2008, 02:19 PM
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Motorized Bicycle Elite Member
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Join Date: Jul 2008
Location: WEST FRANKFORT, IL
Posts: 244
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Gettn Angry
I Have S Schwinn Stingray With A Chinese 80cc Or Whatever It Is And I Need Help . I Think Ive Figured Out The Problem But Want To Be Sure. I Took It Across Town For The First Time Yesterday When I Returned (20 25 Min Trip) It Would Die If I Pulled In The Clutch And I Was Having Trouble When I Hit Bumps That The Choke Would Close And Try A Choke It Out And I Would Reach Down Open It And Go On . When I Returned I Discovered The Intake Gasket Was Mostly Gone So I Bought Some Felpro Paper And Made A Gasket And It Spits And Sputters And I Have To Pedal My Big But Off To Get It To Pick Up Speed. Its My Belife That The Choke Problem Fouled The Plug Problem Is The Plug Cant Come Out Of The Engine With Out The Engine Coming Out Of The Bike ( Plug Sits In Between The Cannie Levers On The Stingray.very Tight Fit). Just Thought Id See What You Guys Think
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07-23-2008, 02:31 PM
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Motorized Bicycle Elite Member
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Join Date: Jun 2008
Location: Longmont, CO
Posts: 1,596
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Re: Gettn Angry
I'd try using some RTV on both sides of that intake gasket (don't get sloppy with it though, don't want that in the motor) to make sure there are no air leaks and see if that helps. If not, I think you're going to want to pull that plug and check it. Wish there was an easier way for you to get at that plug though.
Also, double check all your electrical connections.
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07-23-2008, 04:21 PM
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Motorized Bicycle Elite Member
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Join Date: May 2008
Location: north bend wa.
Posts: 404
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Re: Gettn Angry
a possibility is to change out spark plug wire. they give off more spark and i thimk (ala mad magazine) it might clean up plug.
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07-23-2008, 04:26 PM
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Super Moderator
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Join Date: Jan 2008
Location: Ptown, Texas
Posts: 2,284
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Re: Gettn Angry
I can't seem to find it, but there was someone that found a shorter plug. Maybe some one will remember where it was shoot a link. If you had a shorter plug you might break the end off of the plug on your bike and put in the shorter plug. A bit drastic but better than pulling the engine......................
__________________
Life isn't like a bowl of cherries, it's more like a jar of jalapenos, what you do today might burn your butt tommorrow............
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07-23-2008, 04:45 PM
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Super Moderator
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Join Date: Mar 2008
Location: Tucson, AZ
Posts: 9,393
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Re: Gettn Angry
I believe the Champion CJ7Y is the low profile plug
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07-23-2008, 06:29 PM
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Motorized Bicycle Elite Member
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Join Date: Mar 2008
Location: Treasure Coast, Florida
Posts: 745
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Re: Gettn Angry
Quote:
Originally Posted by fairracing31
I believe the Champion CJ7Y is the low profile plug
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According to this post it is.....
http://motorbicycling.com/f6/spark-p...ence-1829.html
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07-24-2008, 08:39 AM
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Motorized Bicycle Elite Member
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Join Date: Jul 2008
Location: WEST FRANKFORT, IL
Posts: 244
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Re: Gettn Angry
Thanks For The Help But Im A Moron And A Big One At That . I Discovered That When I Bolted The Intake Back On I Did Not Tighten The Carb. (slapping Self On Forehead) I Just Need To Go To The Hardware Store And Buy A Bolt And Nut To Fit The Hole ( Old One Vibrated Out And Is Somewhere If Front Yard) And I Should Be Good To Go
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07-24-2008, 02:40 PM
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Custom Builder / Dealer
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Join Date: Mar 2008
Location: Los Angeles, CA.
Posts: 4,546
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Re: Gettn Angry
I have the same problem with the choke...
Tie a rubber band onto the choke lever, & stretch the other end down onto the engine mount stud... this will keep the choke open while riding!
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07-25-2008, 07:32 AM
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Godfather of Motorized Bicycles
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Join Date: Jan 2008
Location: Ashtabula county, Ohio
Posts: 10,864
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Re: Gettn Angry
You can tighten the hardware that holds the choke together and it will keep it in place most of the time. Use loctite on it too. (the hardware).
__________________
If it ain't broke, and you mess with it long enough, it will be.
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07-25-2008, 03:37 PM
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Motorized Bicycle Newbie
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Join Date: Jul 2008
Location: Kansas City, MO
Posts: 11
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Re: Gettn Angry
What size stingray to you have? I am looking at a 20" and I don't think an engine would fit it.
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