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150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum

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  #1  
Old 09-13-2017, 12:54 AM
fan4chevy fan4chevy is offline
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Default GY6 150 Camshaft Specs

I thought I would post the GY6 150 camshaft specs for reference. If you have other information or correction please add.

High RPM Top Speed Cams
(Not recommended for strokers)
A8 25.90 In/25.79 Ex
A9 26.90 In/25.78 EX

Mid Range Lower RPM Cams
A10 26.89 In/25.80 Ex*
A11 27.16 In/27.04 Ex (Popular Buggy Cam)
A12 25.88 In/25.78 Ex (Popular Buggy Cam)
A13 25.84 In/25.72 Ex

A14 25.95 In/25.80 Ex

*Common For Stock Buggy 26.89 In/26.53Ex (close to a10)

Note: Hoca has following letter code rather than number
A8 = HA
A9 = HB
A10 = HC
A11 = HD
A12 = HE
A13 = HF
A14 = HG

Charles
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Buggy 1
150cc Buggy
A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust.

Guang Max 150
All stock but to be like Buggy 1 with all koso cvt.

Roketa 150
Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats.
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  #2  
Old 09-14-2017, 08:10 AM
scjeep4.7HO scjeep4.7HO is offline
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Does anyone know the lift on the cams?
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  #3  
Old 09-17-2017, 07:34 PM
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jmansracerocket jmansracerocket is offline
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nice right up
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Hammer head Single seater know as herbie
under construction

Aluminum fuel tank, aluminum wheels, custom fuel/cargo rack, entire rewire, trail tech vapor, ported big valve head, a12camshaft, 12 gram sliders, straight intake, kirkey wide seat, front end extension. 4 point harness, welded cage. Hammerhead exhaust.



Blade Single Seater Restore
r2c air filter, manual choke conversion, homemade cargo/tank rack

Currently own 4 buggies !
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Old 09-18-2017, 11:14 AM
fan4chevy fan4chevy is offline
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This should be used as an approximate as some cams can vary about 1mm. I have seen that much difference. As example a Hoca was about 1mm different from Chinese import.
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Buggy 1
150cc Buggy
A12 Cam, 12g Sliders, Ban Jing Bell, NCY Green Clutch, 24mm Carb, 115mm Koso variator ramp, redneck intake, uni filter, straight through exhaust.

Guang Max 150
All stock but to be like Buggy 1 with all koso cvt.

Roketa 150
Complete tear down building port/polished 61mm NCY head, 62mm cylinder, A12 Cam, 28mm carb, straight through exhaust, 8 pole stator, possibly 2.5 stroker, painting frame, adding plastic including doors and rzr seats.
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