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 Reading plugs 
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Bronze Member
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Joined: Sat Oct 11, 2008 5:01 pm
Posts: 416
Location: Port Orange, Florida
Post Reading plugs
Not quite sure how I would accomplish reading plugs on a scooter with a variator. I've tuned lots of dirt bikes during my motocross and enduro days, and hot VWs with duel Webers. Those were all clutch set-ups. Easy enough to run the throttle position you were tuning, pull in the clutch, kill the motor, stop....pull the plug(s).

How are we doing this on a twist and go?

BTW......don't tell me with a wideband.

Also, already considered running on the centerstand.........not too hot on that idea.

Sun Nov 05, 2017 2:52 pm
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Joined: Tue Jul 06, 2010 11:06 pm
Posts: 2496
Location: Taiwan & Hawaii
Post Re: Reading plugs
plug chop, you need to look deep down inside the bottom of the white ceramic area. look under bright sunlight if possible. that is where it will show the color. i posted a photo before on my test mule build thread. would have to dig it up.

RC Scooters
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viewtopic.php?f=54&t=16410 <------ RC R&D

Thu Jan 04, 2018 4:30 am
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Joined: Sat Aug 15, 2009 5:18 pm
Posts: 2112
Location: KS
scooters and mods: Zuma 125
Post Re: Reading plugs
Hit the killswitch and then brake to a stop as normal.

Zoƫ Washburne: [about Serenity, on first seeing her] You paid money for this, sir? On purpose?

Serenity: 155 cc kit w/ WPC treatment on piston, High lift cam, 140 cc/min injector, KOSO Delta clutch, 1000 RPM contra spring, TST variator with 10g/12g rollers, Two Brothers Exhaust w/ P-3 powertip, rear LED signals, Yamaha rear rack, Heads-up battery display, Power Mate, Scratch built footpegs and front rack, Yamaha Majesty gears, Yamaha BWS 125 short windscreen.

Thu May 24, 2018 12:50 pm
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