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| High Performance Bicycle Engine Tips We all want our bicycle engines to push our bikes faster. Get exclusive engine modification tips and suggestions from us. |
hT KIT MODS?
Discussion at Motorized Bicycle Engine Kit Forum in the High Performance Bicycle Engine Tips forum. yO... are all these ht chinese kit motor mods gonna apply to a japanese 2stroke engine? or has all this ...  | 
08-07-2008, 05:26 PM
| | Motorized Bicycle Apprentice | | Join Date: Jul 2008 Location: spring tx horth suburb of houston
Posts: 18
| |  hT KIT MODS?
yO... are all these ht chinese kit motor mods gonna apply to a japanese 2stroke engine? or has all this stuff been sorted out already? JB |
08-07-2008, 08:45 PM
|  | MODERATOR | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 4,723
| | Re: hT KIT MODS?
They are crude, piston ported two strokes, hot rodding them like they did in the 50's applies.
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If it ain't broke, and you mess with it long enough, it will be. |
08-08-2008, 06:19 AM
| | Motorized Bicycle Apprentice | | Join Date: Jul 2008 Location: spring tx horth suburb of houston
Posts: 18
| | Re: hT KIT MODS?
thanks BGJ. how does hp filter upgraded carb and stalker exhaust sound for a 41cc mitsu? do you think the plug wire trick or lightened flywheel would be beneficial? |
08-08-2008, 08:19 AM
| | MODERATOR | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 4,723
| | Re: hT KIT MODS?
Well, A good plug wire help the chinbna engines a lot, and so does opening up the intake/cleaning the ports up, as long as you adjust the mixture accordingly.
They don't have a flywheel to be lightened so to speak, and I don't have an knowledge of the stalker exhaust, so I can't comment on that.
I will say these engines respond to all the regular basic hot rodding tricks.
Reliability goes down as power goes up.
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If it ain't broke, and you mess with it long enough, it will be. |
08-10-2008, 05:43 PM
|  | Motorized Bicycle Builder | | Join Date: Aug 2008
Posts: 28
| | Re: hT KIT MODS?
well, I got bored ( I hate that). walked around Home Depot until I saw an empty quart can and thought:  
so:  or 
just trying to get a little more airflow, without doing a boost bottle.
jon |
08-10-2008, 06:38 PM
|  | Master Motorized Bicycle Builder | | Join Date: Jun 2008 Location: Independence MO
Posts: 275
| | Re: hT KIT MODS?
Quote:
Originally Posted by Bikeguy Joe  Well, A good plug wire help the chinbna engines a lot, and so does opening up the intake/cleaning the ports up, as long as you adjust the mixture accordingly.
They don't have a flywheel to be lightened so to speak, and I don't have an knowledge of the stalker exhaust, so I can't comment on that.
I will say these engines respond to all the regular basic hot rodding tricks.
Reliability goes down as power goes up. | So.... dealing with a numb skull like me, I'm cleaning up the intake manifold that I have, HOW or what setting would I want to put the clip at?
__________________ _________________________________________________ It's a mathematical fact, 10 out of 8 people have trouble with fractions. Kings 70cc 3200+ miles. Now on a Schwinn Point Beach. (And say HI to my Dad, he works there in the Archives!) |
08-10-2008, 06:58 PM
| | Motorized Bicycle Builder | | Join Date: Aug 2008
Posts: 28
| | Re: hT KIT MODS?
Quote:
Originally Posted by Motoschwinn So.... dealing with a numb skull like me, I'm cleaning up the intake manifold that I have, HOW or what setting would I want to put the clip at? | how are you cleaning up the intake manifold. I've read that the interior should remain alittle rough for atomization. |
08-10-2008, 07:42 PM
| | Master Motorized Bicycle Builder | | Join Date: Jun 2008 Location: Independence MO
Posts: 275
| | Re: hT KIT MODS?
Quote:
Originally Posted by pedalpower how are you cleaning up the intake manifold. I've read that the interior should remain alittle rough for atomization. | On the steel manifold I have, the weld was about 1/8" off. So I'm cleaning that up. If you stuck your finger in, the one side you could feel the metal protruding I've just ground that off. I have the older style cast manifold on the bike currently. I hope that makes sense.
__________________ _________________________________________________ It's a mathematical fact, 10 out of 8 people have trouble with fractions. Kings 70cc 3200+ miles. Now on a Schwinn Point Beach. (And say HI to my Dad, he works there in the Archives!) |
08-10-2008, 08:30 PM
| | MODERATOR | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 4,723
| | Re: hT KIT MODS?
Cleaning up the intake will not likely need a clip adjustment unless accompanied by an mod to the air filter cover.
You may see slightly higher revs, or a little better pull in the mid to upper end of the rpm range.
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