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Peaks |
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Peaks L Plate Warrior
Joined: 13 Apr 2018 Karma :
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Posted: 18:29 - 13 Apr 2018 Post subject: Peugeot Speedfight 3 2t dying at 6000 rpm |
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Hi, I recently bought a speedfight 3 darkside for my 16th birthday and i knew there were gonna be a few problems with it and so I did the basics changed the belt and the rollers because it wasn't picking up well I cleaned everything up inside the gearbox started all good both electric and kick start working but as soon as I went to test it I'd rev it up to 6000 rpm to get me going and it just would die. When I have it up on a block of wood and the wheel can spin freely it will perfectly fine go up to 10,000 rpm so my dad thinks it's a problem with the compression which would be a bummer but I just wanted to ask on here and see if anyone could help me or tell me what they think the problem is with it.
Thanks Josh |
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jaffa90 |
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jaffa90 World Chat Champion
Joined: 06 Apr 2016 Karma :
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Peaks |
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Peaks L Plate Warrior
Joined: 13 Apr 2018 Karma :
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Paulf |
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Paulf Nova Slayer
Joined: 24 Jan 2017 Karma :
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Peaks |
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Peaks L Plate Warrior
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Robby |
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Robby Dirty Old Man
Joined: 16 May 2002 Karma :
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Posted: 22:16 - 18 Apr 2018 Post subject: |
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If the bike was fairly standard, in good condition, with service history - then my first instinct would be that the rollers are the wrong weight.
However, it's a second hand 50cc scooter, so someone with more enthusiasm than skill will have been fucking around with it. Things to check:
1. Compression. You can get a compression tester for 20 quid on ebay. Probably even less now, I've had mine about 15 years. You screw it into the spark plug hole, hold the throttle wide open, and crank the engine over a few times.
2. Fuelling. Someone has probably fiddled with the carb. The usual favourite is playing with the mixture screw - so set that back to whatever it should be. Buy a haynes manual now if you don't already have one. If someone has been very silly, they may have also fitted the wrong sized jets or altered the needle position. You'll need to get the carb out, strip, inspect, clean, and reassemble. A clean work bench covered in newspaper is a good place to do this.
3. Electrics. 90% of fuelling problems are electrical. In this case probably not, because there's very little to mess around with on the ignition side. Get a new spark plug, and make sure it is the correct type. If the battery seems a bit weak, charge or replace it. Batteries are cheap for scooters.
Welcome to the world of owning cheap bikes. Lots of spannering ahead, and a fair portion of it is fixing other people's mistakes and bodges. At least parts are cheap for your scooter. |
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Old Thread Alert!
The last post was made 6 years, 2 days ago. Instead of replying here, would creating a new thread be more useful? |
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