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| 150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#2
12-01-2015, 05:14 PM
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Only your compression gauge knows for sure , smelled funny - like a metallic smell - overheated ?
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2011 BMS KING COBRA 150 Sold YERF DOG SPIDERBOX's Sold YERF DOG 3203's. Sold MANCO SILVER FOX. Sold 2009 POLARIS 500 HO SPORTSMAN 4X4 2002 POLARIS 500 HO SPORTSMAN 4X4 2000 POLARIS MAGNUM 2X4 HALF A DOZEN CHEVY 4X4's NEED-MO-BUGGY 
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#4
12-03-2015, 05:00 AM
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Quote:
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#5
12-03-2015, 08:52 AM
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Okay. Now everything comes together. I bought a cheap air filter off amazon and I took it off yesterday and there was dirt all over the inside of the air tube. It barely cranks now so I know the carb needs cleaning and I'm sure the head is gunked up. Thanks for the help
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#6
12-07-2015, 12:09 PM
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Scored cylinder walls from the dirt too!
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KD-150GKM-2 11g sliders, Iridium NGK, Orange coil, UNI oiled filter, smoother intake manifold, drilled muffler 
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#7
12-08-2015, 11:58 PM
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I'm gona slip in a 155cc kit and big valve head while I'm at it. I'm sure I have lost a good bit of compression too cause it's real hard to start.
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2014 Trailmaster 150, Dr pully variator, gtc clutch, cai, orange coil, 20" lightbar, 6"pods, 61mm BBK,yellow clutch spring, glasspack exhaust...to be continued |
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#8
12-09-2015, 08:18 PM
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Make sure to port match the new head to the intake manifold and exhaust. There is a good amount of performance to be had from doing that. The factory casting is pretty rough normally.
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My Yerban assault vehicle: 2.2mm stroker crank, 62mm Nikasil cyl, Taida large vavle head, American made valve springs, ported intake manifold, TM 28mm carb, stock CDI, Bando coil, TK exhaust, stock CVT except for the 14g sliders, 13/40 internal gears, 16T drive, 31T axle sprocket, 22" rear tires, and ONE BIG POTATO CANNON mounted on top.......... |
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#9
12-09-2015, 10:41 PM
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I'm getting a taida bolt-on 61mm bbk and taida big valve head for Christmas. What kind and size carb would you recommend for that setup. I know for sure my rings are bad cause it's always burning oil and I might as well add 20 cc while Im in the engine that far.
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2014 Trailmaster 150, Dr pully variator, gtc clutch, cai, orange coil, 20" lightbar, 6"pods, 61mm BBK,yellow clutch spring, glasspack exhaust...to be continued |
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#10
12-10-2015, 08:17 AM
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From what I have read/heard the stock carb is fine as long as you rejet it.
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