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chrisscott
Two Stroke Sniffer



Joined: 30 Oct 2008
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PostPosted: 11:58 - 09 Jul 2009    Post subject: no idea! Reply with quote
i fitted a new barrel head unit and piston to my moped (speedfight 2) yesterday was running it all day was perfect.

then didnt see a pot hole in the road last night and when the back wheele went through it the bike cut out, revs didnt go lower or anything just went straight off, then it started again first time few seconds after, i got a few metres up the road and it died again wouldnt start again, then pushing it home i tried a few times to start it, it started sometimes but sounded like something was ratteling near the exhaust,

anyone got any ideas ?
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Drifterwannab
Derestricted Danger



Joined: 08 Jul 2009
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PostPosted: 12:11 - 09 Jul 2009    Post subject: Reply with quote
if it cut straight out sounds like it could be electrical, loose battery connection possible

I dont know lots about scooters but check the battery cables and earth cables.

or if your pressing the starter and its turning the starter and just not firing, your plug lead has probably come off - you might not have pushed it on properly when refitting after doing your cylinder
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chrisscott
Two Stroke Sniffer



Joined: 30 Oct 2008
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PostPosted: 22:08 - 09 Jul 2009    Post subject: ... Reply with quote
stripped it all down this afternoon, piston - barrel and stuff all find, took carb off cleaned it all nothing seems to be wrong.. only thing i can thinnk of is it could be electrical .. dont know how to make sure though.. any body help ?!
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Finglonga
World Chat Champion



Joined: 27 Jul 2004
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PostPosted: 23:22 - 09 Jul 2009    Post subject: Reply with quote
Drifterwannab wrote:
if it cut straight out sounds like it could be electrical, loose battery connection possible

I dont know lots about scooters but check the battery cables and earth cables.

or if your pressing the starter and its turning the starter and just not firing, your plug lead has probably come off - you might not have pushed it on properly when refitting after doing your cylinder


Didn't you read the above before stripping it down?
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chrisscott
Two Stroke Sniffer



Joined: 30 Oct 2008
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PostPosted: 12:53 - 10 Jul 2009    Post subject: ... Reply with quote
yeah i did read it,
the electric start is turning it over but not starting..
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ms51ves3
Super Spammer



Joined: 08 Jun 2007
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PostPosted: 14:30 - 10 Jul 2009    Post subject: Reply with quote
It could be something to do with the auto choke.
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chrisscott
Two Stroke Sniffer



Joined: 30 Oct 2008
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PostPosted: 14:40 - 10 Jul 2009    Post subject: .. Reply with quote
just looked at that aswell .. nothing seems to be wrong so i dont have a clue ! think might have to take it garage !
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chrisscott
Two Stroke Sniffer



Joined: 30 Oct 2008
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PostPosted: 14:43 - 10 Jul 2009    Post subject: .. Reply with quote
just looked at that aswell .. nothing seems to be wrong so i dont have a clue ! think might have to take it garage !
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Thom
World Chat Champion



Joined: 24 Oct 2007
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PostPosted: 14:49 - 10 Jul 2009    Post subject: Reply with quote
Take a blow torch to the engine, run it up and down the outside of the cylinder until it begins to glow, then swiftly dose it in petrol, the results should be... just what we're all after Thumbs Up
____________________
Current Bike: 1996 Yamaha TRX850 (The Japanese-Ducati One).
Previous Bikes: 1990 Honda NSR125 'Rothmans' (The smoking one), 1990 Suzuki GS500e 'Caf? fighter' (The loud one), 1987 Kawasaki GPX400r (The quick one), 1997 XJ600s Diversion (The reliable one), 2000 Kawasaki ER-5 (The spontaneously combustive one)
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chrisscott
Two Stroke Sniffer



Joined: 30 Oct 2008
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PostPosted: 14:59 - 10 Jul 2009    Post subject: Reply with quote
metalforever wrote:
Take a blow torch to the engine, run it up and down the outside of the cylinder until it begins to glow, then swiftly dose it in petrol, the results should be... just what we're all after Thumbs Up


haha i would love tooo !
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chrisscott
Two Stroke Sniffer



Joined: 30 Oct 2008
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PostPosted: 15:24 - 10 Jul 2009    Post subject: ... Reply with quote
all working fine now,, starts and everything,, just alot of white smoke coming out of exhaust ...

too much 2 stroke ?
not enought 2 stroke ?
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Drifterwannab
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Joined: 08 Jul 2009
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PostPosted: 16:28 - 10 Jul 2009    Post subject: Re: ... Reply with quote
chrisscott wrote:
all working fine now,, starts and everything,, just alot of white smoke coming out of exhaust ...

too much 2 stroke ?
not enought 2 stroke ?


White smoke?!?!? that would indicate water being burnt?

is it liquid cooled?? if so sounds like your headgasket is leaking?

when you fitted the new barrel did you use new gaskets?

oil smoke is blue
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ZRX61
Victor Meldrew



Joined: 05 Nov 2003
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PostPosted: 22:23 - 10 Jul 2009    Post subject: Re: ... Reply with quote
Drifterwannab wrote:
White smoke?!?!? that would indicate water being burnt?

Water doesn't burn, thats why they use it to put out fires... Wink
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chrisscott
Two Stroke Sniffer



Joined: 30 Oct 2008
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PostPosted: 16:36 - 12 Jul 2009    Post subject: ... Reply with quote
its air cooled !

it seems to be okay now, no smoke after i gave it a little blast, and yes i used new gaskets.
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iooi
Super Spammer



Joined: 14 Jan 2007
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PostPosted: 17:58 - 12 Jul 2009    Post subject: Re: ... Reply with quote
ZRX61 wrote:
Drifterwannab wrote:
White smoke?!?!? that would indicate water being burnt?

Water doesn't burn, thats why they use it to put out fires... Wink


No water can't burn.... But when heated it turns to steam..... Which by a funny coincidence is percived as white....... Rolling Eyes


What is even better is the OP hits a pot hole and then procedes to strip the engine down......

Odds on as the 1st post that some eletrical connector loosened.... Money on the HT lead on the plug Thumbs Up Laughing
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Just because my bike was A DIVVY, does not mean i am......
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Old Thread Alert!

The last post was made 17 years, 87 days ago. Instead of replying here, would creating a new thread be more useful?
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