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Search: Posts Made By: Firehawk989
Forum: 50cc - 124cc 08-26-2015, 01:23 AM
Replies: 23
Views: 8,873
Posted By Firehawk989
Get one of the $12 Ebay tachs to keep track of...

Get one of the $12 Ebay tachs to keep track of your RPMs. The limit for the stock crank is 10k RPM.

If you put your fancy crank in from the other scoot though it should be good to 16k or...
Forum: 50cc - 124cc 08-19-2015, 05:57 PM
Replies: 23
Views: 8,873
Posted By Firehawk989
Should be somewhere between 4 to 5g sliders. ...

Should be somewhere between 4 to 5g sliders.

Keep the Yamaha belt as they are actually way better than anything else for the Zuma.
Forum: 50cc - 124cc 08-18-2015, 04:46 PM
Replies: 23
Views: 8,873
Posted By Firehawk989
Yea 80 is too small and probably the main reason...

Yea 80 is too small and probably the main reason your top end burned up. Start with an 88 or 85 and go from there, and keep the stock airbox for sure.

Yes the Zumas are geared differently than the...
Forum: 50cc - 124cc 08-17-2015, 07:00 PM
Replies: 23
Views: 8,873
Posted By Firehawk989
Also if you're sticking with the stock Zuma carb...

Also if you're sticking with the stock Zuma carb use an 84 main jet from the Yamaha dealer.
Forum: 50cc - 124cc 08-17-2015, 06:59 PM
Replies: 23
Views: 8,873
Posted By Firehawk989
Yep, stick with the stock airbox but remove the...

Yep, stick with the stock airbox but remove the little rubber snorkel from it to get some extra airflow. The 100cc Zuma uses the exact same airbox, so you don't have to worry about flow issues. If...
Forum: 50cc - 124cc 08-14-2015, 12:35 PM
Replies: 23
Views: 8,873
Posted By Firehawk989
The good news is that a lot of those parts will...

The good news is that a lot of those parts will work on your Zuma, including the Polini carb once you get yourself a 70 kit for the Zuma. Just make sure you stick with the stock airbox and get...
Forum: 50cc - 124cc 08-13-2015, 09:06 PM
Replies: 23
Views: 8,873
Posted By Firehawk989
Putting extra oil in the tank actually leans out...

Putting extra oil in the tank actually leans out the mixture as the oil displaces some of the fuel. Therefore less fuel gets mixed with more air, which = leaner.

Also for a proper plug read you...
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