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Old 07-29-2016, 03:19 PM   #1
Impaired   Impaired is offline
 
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Oh No QJ 157qmj-3 anaomoly engine.

OK so I have called scrappy dogs and they have like zero parts for this scooter that aren't interchangeable from the regular 157qmj like the intake manifold for one.

I have no idea what other parts on this engine aren't interchangeable and I desperately need a new CLUTCH.

Do you guys think a regular 157qmj replacement clutch Will work?

Any information you guys can provide me on this particular generation engine I would be extremely grateful, the model of the bike is a '09 benello andretti xt by QJ MOTORS.
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Old 07-29-2016, 06:52 PM   #2
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157qmj is the engine. The "-3" is part of the individual bike number.

Since it is a 157qmj, 157qmj parts should fit.
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2011 Roketa MC-23-150

4T 150cc 157 qmj

24mm carb w 115 main jet and paper cone air filter

Manual petcock w Tygon fuel lines

Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust

RED spring clutch

Adjustable CDI (brand unknown, it's blue and red and works great!)

KOSO high performance variator w 12g sliders

Gates Powerlink 835-20-30 belt

GPS verified 65mph on flats.
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Old 07-29-2016, 06:57 PM   #3
blueboy5000   blueboy5000 is offline
 
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So further research says to use a gy6 250cc or Gy6-B clutch, and a standard 157 bell.
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2011 Roketa MC-23-150

4T 150cc 157 qmj

24mm carb w 115 main jet and paper cone air filter

Manual petcock w Tygon fuel lines

Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust

RED spring clutch

Adjustable CDI (brand unknown, it's blue and red and works great!)

KOSO high performance variator w 12g sliders

Gates Powerlink 835-20-30 belt

GPS verified 65mph on flats.



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Old 07-29-2016, 06:58 PM   #4
blueboy5000   blueboy5000 is offline
 
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That's an anomaly variation of the gy6. It's difficult to find proper parts for it.
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2011 Roketa MC-23-150

4T 150cc 157 qmj

24mm carb w 115 main jet and paper cone air filter

Manual petcock w Tygon fuel lines

Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust

RED spring clutch

Adjustable CDI (brand unknown, it's blue and red and works great!)

KOSO high performance variator w 12g sliders

Gates Powerlink 835-20-30 belt

GPS verified 65mph on flats.
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Old 07-29-2016, 08:34 PM   #5
Impaired   Impaired is offline
 
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Yea blueboy this what I'm learning now.....
Anyway you could link me to the clutch that would work? I can just use the old bell housing I'm sure?

Thank you for taking the time to check on things for me, I'd be lost without you so far.

I could also upload photos of the clutch and take measurements is that would help?
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Old 07-29-2016, 08:57 PM   #6
Impaired   Impaired is offline
 
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Do you think it would be a better idea to just rebuild the stock clutch? I don't know what's wrong with it ATM but I plan on tearing into it tomorrow, it keeps jamming up and staying engaged, what could the be?
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Old 08-07-2016, 07:14 AM   #7
blueboy5000   blueboy5000 is offline
 
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According to all my research, your bike uses the 250cc clutch.
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2011 Roketa MC-23-150

4T 150cc 157 qmj

24mm carb w 115 main jet and paper cone air filter

Manual petcock w Tygon fuel lines

Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust

RED spring clutch

Adjustable CDI (brand unknown, it's blue and red and works great!)

KOSO high performance variator w 12g sliders

Gates Powerlink 835-20-30 belt

GPS verified 65mph on flats.
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