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Post by Jenkos0wls on Apr 27, 2006 18:23:35 GMT
Well as most of us Know our scooters run of a Honda 50cc GY6 engine. Well an older freind of mine is a some what whizz kid with motorcycles and hes got a honda with a 50cc GY6 Engine exactly the same as ours i know this as he compared it to my baotian. Any way he has tuned his up dramatically. He can do 70mph of it on the flat and yes i did say 70mph. And this freind has offerd to do mine but it will take a while so i am waiting till iv got a set of 4 wheels to cover the lost time. I know what yourl all gunna say that ours cant do it etc but iv seen it done. so wen mines dones il report back and see whats what.
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Post by beast on Apr 27, 2006 18:56:42 GMT
That'll be great, is it still a 50cc or has he made it bigger?
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Post by cb50j on Apr 27, 2006 20:12:54 GMT
I'm a believer, keep us informed.........
.............. #sprint#
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Post by Jenkos0wls on Apr 27, 2006 21:02:38 GMT
no He kept it a 50cc. its not impossible for a cooter to do 70 plenty of other scoots can go up to 90mph when tuned up to the extreme
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Post by dmilo on Apr 27, 2006 22:18:15 GMT
do you know what he does to it to go that fast ??
any insight
dmilo
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Post by Jenkos0wls on Apr 28, 2006 19:09:50 GMT
im not sure but probably along the lines of
1) Port Polish
2) Unlimited Rev CDI
3) Sport foam filter and a better carb
4) Advancing ignition timing
5) Gear Ratios
like a say im not completely sure il see wen a can and see what needs to be done but he said it is a big job and EXPERIENCE IS REQUIRED. so dont you lot go ripping your bikes to bits.
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Post by azuleverde on Apr 28, 2006 23:46:13 GMT
70 m.p.h is great,...... not sure on a 10" tire the best thing to do. At 45 im a bit weary. but i guess if you have a QT-7 front tire is a 12" that would be a bit better. #sprint#
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Post by mitchpark1 on Jul 27, 2006 9:43:54 GMT
Nitrous oxide maybe? Avgas?  its possible but who would want to do that anyway? yeah lovely 70mph machine but heres the down sides fear of it blowing up Less reliability Bad fuel economy More chance of it getting nicked More head turns from the police More chance of engine seizure regular piston changes Burnt out cylinder heads exessive belt changes the list goes on forever. In my opinion why go to all that trouble when you can get a 125 with the same speed maybe better which can be slightly tuned still without the above happening ;D Mitch |
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Post by ally1756 on Jul 27, 2006 12:11:39 GMT
gd point ^^^
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Post by Scootin on Jul 27, 2006 12:11:59 GMT
I would not want to go that fast on 10" wheels. Not to mention you would have a LOT less reaction time upon seeing a hole in the road.
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Post by Badobsession (the real one) on Jul 27, 2006 22:20:15 GMT
What honda does he have? whats he done? wheres the proof?
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drzoom
Forum Master
Posts: 187
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Post by drzoom on Jul 27, 2006 23:39:51 GMT
You say that most of the Chinese scooters run off a Honda 50cc GY6 engine, but are these engines actually made by Honda or are they Chinese copies. If the latter then there may be subtle differences in parts, materials or quality control which could make this project difficult.
If they are genuine Honda engines then I would be suprised by the amount of engine issues that a lot of people have here as my Honda engine has so far proved to be bulletproof.
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Post by Scootin on Jul 28, 2006 12:07:59 GMT
I doubt that they are actual Honda engines. More likely a license built copy.
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Post by andyscooter on Jul 29, 2006 6:54:57 GMT
i dont know if they are copy but the chituma xl 125 is actualy the old honda xl125 the bloke used to make the bikes for honda and when they went out of production he started making them for himself under his own name so that could be whats happend with these
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Post by Scootin on Jul 31, 2006 12:06:47 GMT
Good point-That is also possible  |
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Post by Macrofeet on Jul 31, 2006 17:39:58 GMT
My 125cc wont do 70 mph, past 60 it feels like its going to blow up
would be the most evil thing ever to go 70 on a qt9
like trying to ride a run away mine cart indy jones style
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Post by hodgeyboy on Jul 31, 2006 22:02:53 GMT
God Darn those DAMN SNAKES!
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Post by mitchpark1 on Aug 1, 2006 16:16:56 GMT
he hasnt replied yet lol |
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