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Old 03-11-2010, 07:37 AM
How fast is fast enough?
 
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small engine question

I have a chinese knockoff of a Honda 6.5hp sideshaft engine (harbor freight special). I've had the thing sitting around for about a year in the box and finally am putting it on my kid's gocart (really my gocart but I blame the expense on him). I can't the damn thing to start. Its never been ran so I know there is little ring seal, but I keep hearing this squealing noise and can smell a little bit of burnt fumes when I pull it to crank it over. I assume the squealing is the power stroke blowing by the rings.

How do you get one of these things started to break it in?!

ether isn't helping either. I bumped the compression up before I tried starting it so I'm going to see if switching to premium fuel helps, but I can't get this thing to start up at all yet.

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Old 03-11-2010, 07:52 AM
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check the compression, then check spark.. it should start after some cranking, but it sounds like theres no compression. there is a compression release on those I think which could be stuck or broken.. there made by Lifan

I fired up a circa 1985 NOS briggs and stratton MAXX series engine on my lawn mower last year. didn't take much at all
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Old 03-11-2010, 08:31 AM
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small engine question

there is enough oil in it ?
black out , choke open ?
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Old 03-11-2010, 08:37 AM
How fast is fast enough?
 
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adequate fresh oil, choke in correct position. There is some copression, haven't put a gauge on it though.
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Old 03-11-2010, 08:40 AM
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Quote:
Originally Posted by ap72
adequate fresh oil, choke in correct position. There is some copression, haven't put a gauge on it though.
prime through air filter side with a squirt of two stroke gas .
this will lube rings enough and make it start .
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Old 03-11-2010, 08:42 AM
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a question for u...

ya i know its dumb... but did u flip the red sw on the side to on ???? i had the same motor on a snowblower and pulled my butt off to start it... never thinking of turning the sw on... duh.
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Old 03-11-2010, 09:10 AM
How fast is fast enough?
 
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Quote:
Originally Posted by delawarebill
ya i know its dumb... but did u flip the red sw on the side to on ???? i had the same motor on a snowblower and pulled my butt off to start it... never thinking of turning the sw on... duh.

I wish it were that easy! One time I pulled three times with no start on the current engine that is on the cart, it was the switch, ever since then the first thing i do is flip the switch to turn it on, and the last thing i do is flip the switch to turn it off. I got the old engine so dialed in that you so much as look at the cord it starts right up, just ran it last night. And it'll sit there and just lope along. Has one of the lowest idles I've seen on any engine like this. If it wasn't for the fact I just need a little more tq coming out of a turn I'd leave the engine that is there now on it.

Of course doubling the hp with this new one will be nice. Its amazing how such a small amount of engine can still be fun when you strap it to a 50 pound chassis.
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Old 03-11-2010, 10:09 AM
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small engine question

yea i remember watching them run a few moth balls in them to go faster .
now you can weld up the head to get compression up , grind the stock cams to lope .
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Old 03-11-2010, 11:05 AM
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Your kids?
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Old 03-11-2010, 12:32 PM
How fast is fast enough?
 
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kid. singular. comes with the marriage in October. technically not mine yet, but for all intents and purposes (except this years taxes) I consider him mine.
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Old 03-11-2010, 02:03 PM
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Quote:
Originally Posted by ap72
Its amazing how such a small amount of engine can still be fun when you strap it to a 50 pound chassis.
I hope you figure out the problem. I had a mini bike I recently sold that was lots of fun. The chassis didn't weigh more than 35 lbs. With the 5" tires and high gearing it would get up to 35 mph in a matter of seconds, although if you didn't lean forward it would which you right on your tail. Many friends found that out quickly.
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