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 How should I modify my Zuma? 
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Joined: Mon Oct 01, 2018 6:24 am
Posts: 7
Post How should I modify my Zuma?
I have an 01 Zuma 50. It's bone stock and does around 40 mph. I want to mod my scooter to get more speed. The first thing I plan to do is derestrict it. Does anybody have a good how to video on that? After derestriction I don't know what to do. Looking for advice. I'm willing to spend a couple hundred bucks, but not much more than that. I'm willing to lose a bit of acceleration in order to gain speed. This will be a daily driver so it needs to be reliable. I don't care about legality (I'm willing to use a big bore kit, racing parts, etc.). I am aware that there is a separate forum for prebugs, but it doesn't seem to get much attention so I decided to go ahead and post this here as well.

Mon Oct 01, 2018 7:20 am
Bronze Member
Bronze Member

Joined: Fri Aug 31, 2018 5:18 pm
Posts: 493
Location: Fox Valley Wisconsin
scooters and mods: 2 2004 Vinos 2004 Zuma
Post Re: How should I modify my Zuma?
i answered this in another post

2004 Vinos Derestricted exhaust and variator stock carb with mikuni 70 main jet needle down 1 clip 40 mph
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 (sold)

Mon Oct 08, 2018 3:41 pm

Joined: Sun Nov 04, 2018 9:52 am
Posts: 9
Location: Central Arkansas
scooters and mods: 2004 Zuma with gy6 engine, long case, and plenty of duct tap and zip ties
Post Re: How should I modify my Zuma?
You're only gonna get so much out of a 50cc even bored out. Just put a bigger engine on it. My 2004 50cc now has a gy6 150 and with all the Zuma's electrics it would go a hair over 50...and that was with the shorter Zuma front tire.

Tue Feb 05, 2019 3:18 am

Joined: Sat Feb 09, 2019 9:28 am
Posts: 2
Post Re: How should I modify my Zuma?
You can do a few things to get a little more out of your Zuma. If you’re looking to keep it as a daily driver your best bet would be a high quality 70cc sport cylinder along with good variator. The Malossi sport and the Top Performances Black Trophy are great sport kits that have dual rings and are very reliable. Any 70cc kit will require rejetting your carburetor. A good variator and tuning your transmission right will also make a big difference. A transmission that shifts too soon will be sluggish so it’s important to spend a little time and get it set up right. This combo will give you much more power over a stock 50cc,later down the road you can always add a pipe or gears if you were looking for a little more.

Sat Feb 09, 2019 10:25 am
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