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 Need help 
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Newb
Newb

Joined: Fri Oct 05, 2018 3:10 pm
Posts: 1
Post Need help
I have a 2005 zuma. Did an Athena BBK, had yellow clutch springs went to red. Yasuni Z exhaust. Stock variator and clutch. 4.5 g roller weights. 85 main jet. This thing does not move. Bogs like crazy and doesn’t catch to take off. My brother in law has almost the same exact build but a Leo Vince ZX exhaust. We swapped parts off of his to mine and still same issue. Most of the time his exhaust works on mine but still has a bad bog. The yasuni exhaust is brand new. Had a technigas on before and did the same thing so I thought it was a bad exhaust. Been calling and asking around and trying many diff things and just don’t know what to do anymore. The bike will not even go over 5 mph. There’s no catching to take off.


Wed Apr 17, 2019 5:29 pm
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Bronze Member
Bronze Member

Joined: Fri Aug 31, 2018 5:18 pm
Posts: 406
Location: Fox Valley Wisconsin
scooters and mods: 2 2004 Vinos 2004 Zuma
Post Re: Need help
Its not the pipe so lets see what else we can rule out without tearing the cylinder head off and taking a look
Variator check
Is the athena power there just not transferring to the wheel ?
Have you tried half stock and half 4.5 gram rollers
Carb check
Or is it just puking out In the Carb?
What does the plug color look like ?
Is the jet to big or small ?
Is the snorkle out ?
85 main jet is aftermarket jet so I cannot tell from size for sure .
Gears clutch
Does your clutch turn your back wheel freely by hand ?

Does it idle and rev on stand like your brother in laws ?

_________________
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Athena Sport BBK waiting to go on

2004 Vino Malossi sport 70cc Malossi Wild Lion pipe derestricted stock variator stock carb 72 mikuni main one clip rich
45 mph still breaking in Michelin S1 90/90/10 rear tire Michelin S1 3" x 10 up front

2004 Zuma Malossi sport 70 cc Technigas next r 2008 zuma torque driver polini high speed variator 5.5 grams sliders malossi delta clutch yellow contra yellow clutch springs Stock Carb 82 main jet 46 pilot jet needle 1 clip rich stock athena 14/42 gears 11 to 1 final ratio 56 mph

2005 Eton Beamer (Taiwan Zuma Clone) Airsal sport 70cc 9200 peak rpm top speed 42 77.5 mikuni jet needle 1 clip rich


Wed Apr 17, 2019 7:46 pm
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