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Speedfight 2

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Dane123UK
Borekit Bruiser



Joined: 24 Nov 2010
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PostPosted: 20:00 - 30 Nov 2010    Post subject: Speedfight 2 Reply with quote
Hello, i have a speedfight 2 and have just recently put a new engine in as i blew the other 1. it was 5 for about 2 days and now, it jiggers like its getting the last bit of petrol, it revs its balls off and only does about 15mph and starts shaking, it cleaned the carb, and the auto choke is fine. i just don't know what's wrong with it, can,

ANYONE HELP ME?!!!!
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keggyhander
World Chat Champion



Joined: 30 Nov 2008
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PostPosted: 21:19 - 30 Nov 2010    Post subject: Reply with quote
Short answer is get a proper bike when you're 17.
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Livefast123
Nearly there...



Joined: 14 Mar 2010
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PostPosted: 21:39 - 30 Nov 2010    Post subject: Reply with quote
Sounds like you've got an issue with the variator, have you been adding 'sports' rollers and the like.
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Dane123UK
Borekit Bruiser



Joined: 24 Nov 2010
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PostPosted: 21:57 - 30 Nov 2010    Post subject: Reply with quote
Livefast123 wrote:
Sounds like you've got an issue with the variator, have you been adding 'sports' rollers and the like.


Its a standard engine, as i got a new1 fitted and thought i aint messing around with sporting it up, apart from the exhaust, which is a sports one. so everything is standard but the exhaust, ive cleaned the carb, well my mates dad did and said the carbs cleaned. then today was my first time on it since he 'cleaned' it it was okay for abit, and then started cutting down to 15mph, so i stopped, turned it off, waited couple of mins and was fine, n then bwt 5 mins later, did it again. :/.
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HD
World Chat Champion



Joined: 16 Dec 2009
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PostPosted: 22:01 - 30 Nov 2010    Post subject: Reply with quote
Sounds like jets mate!
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Dane123UK
Borekit Bruiser



Joined: 24 Nov 2010
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PostPosted: 22:17 - 30 Nov 2010    Post subject: Reply with quote
HD wrote:
Sounds like jets mate!


but how come it's okay at first?, if it was jets it would constantly do it wouldn't it? :/.
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HD
World Chat Champion



Joined: 16 Dec 2009
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PostPosted: 22:22 - 30 Nov 2010    Post subject: Reply with quote
Dane123UK wrote:
HD wrote:
Sounds like jets mate!


but how come it's okay at first?, if it was jets it would constantly do it wouldn't it? :/.


Good point.

I know nothing about jetting really.

When I bought my exhaust I just rang up PJME and did what they recommended and it seems fine at the mo'.
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Dane123UK
Borekit Bruiser



Joined: 24 Nov 2010
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PostPosted: 22:25 - 30 Nov 2010    Post subject: Reply with quote
rob yarrr wrote:
do you mean when you first set off,or after a while riding ?


Its fine setting off, just standing acceleration, but its after bwt 10-20 mins of riding all of a sudden it like revs, stops revving, revs, stops, revs, it just constantly does that. so thats when it starts jiggerin because it revs and slows n revs n slows. but its sticks at around 10-15mph. and then i wait for abit and then start it up, but the second time, it does it like after 5 mins of riding. :/
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Dane123UK
Borekit Bruiser



Joined: 24 Nov 2010
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PostPosted: 22:35 - 30 Nov 2010    Post subject: Reply with quote
rob yarrr wrote:
hmm,when you changed the engine,did you change anything else like the coil ?


Nope, my old engine blew, so i bought a used 50cc speedfight 2 engine off ebay. he said it was off a standard ped. so im guessing it's standard lol.
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Dane123UK
Borekit Bruiser



Joined: 24 Nov 2010
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PostPosted: 23:06 - 30 Nov 2010    Post subject: Reply with quote
rob yarrr wrote:
hmm try a few of these things

when it starts doing it,open the fuel cap, could be blocked
the high voltage coil could be knacked,can't be that dear to replace tbh
new plug,clean air filter then we can work from there


ill do that when i get time mate Smile. cheers, ill let you know wat the result is Smile
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Dane123UK
Borekit Bruiser



Joined: 24 Nov 2010
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PostPosted: 18:18 - 21 Dec 2010    Post subject: Reply with quote
rob yarrr wrote:
hmm try a few of these things

when it starts doing it,open the fuel cap, could be blocked
the high voltage coil could be knacked,can't be that dear to replace tbh
new plug,clean air filter then we can work from there


Found out what the problem was...., water was getting into spark plug. the other owner never told me so i need a speedfight 2 rear hugger, so if you can help me out and find 1 for me? because i can't find 1 :/, i would be very greatfull Smile
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baldy
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Joined: 15 Feb 2004
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PostPosted: 18:31 - 21 Dec 2010    Post subject: Reply with quote
It should have a rubber flap coming from the bottom of the seat bucket that stops water getting to the plug cap. Sometimes this gets removed which causes all kinds of problems.
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Dane123UK
Borekit Bruiser



Joined: 24 Nov 2010
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PostPosted: 21:37 - 21 Dec 2010    Post subject: Reply with quote
baldy wrote:
It should have a rubber flap coming from the bottom of the seat bucket that stops water getting to the plug cap. Sometimes this gets removed which causes all kinds of problems.


Yeh, thats not their, is there anyway to prevent this?, and how? besises putting an icecream tub onit? Wink
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owl10
Could Be A Chat Bot



Joined: 09 Apr 2010
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PostPosted: 18:35 - 23 Dec 2010    Post subject: Reply with quote
a new1 = a new one. etc etc

pet hate........
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