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| 150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
12-19-2013, 07:32 PM
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loud grinding noise
I have a helix 150 go kart and when i try to put it into forward it makes a loud screeching grinding noise. It wont idle at the moment as it is a project i got and when you lift it up and spin the tires backwards then put it into reverse it will go backwards. What is causing this noise? is the shifter at the engine not going forwards enough? Please HELP!
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#2
12-19-2013, 08:16 PM
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You need to have the engine at the correct idle speed or the transmission will not engage properly and eventually come apart or strip the engagement gears. focus on getting the engine to idle and try it again. Sometimes the cables stretch, but that normally effects the reverse only.
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ASE Master and Toyota Master Diagnostic Certified Buggy Building Trainee '04 Dazon Raider 150 'modded' |
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#3
12-19-2013, 09:35 PM
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I agree with master If that takes care of gear problem and noise persist may be your belt. Open up your CVT cover and see what's going on. Leave the cover off till you fix the problem. Your not going to be fond of opening and closing the cover .
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2. 150cc carters. 1. Baja reaction 150cc dr2 variators Jerseydevil hp. Pipes unifilters gates belts. Yellow main springs hd. Orange coils. |
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#4
12-21-2013, 01:53 AM
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Anything???
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2. 150cc carters. 1. Baja reaction 150cc dr2 variators Jerseydevil hp. Pipes unifilters gates belts. Yellow main springs hd. Orange coils. |
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#6
12-21-2013, 06:58 PM
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Start with pulling the carb off and cleaning it thoroughly. Then clean out the tank and probly a good idea to replace the fuel hose and filter, if it has one. I am willing to bet the tiny little hole in the pilot jet is plugged. Be sure to note the position of the pilot screw before removing it, and reinstall it the same after cleaning. It took 3 tries to get mine to idle when I picked it up from sitting a few seasons.
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ASE Master and Toyota Master Diagnostic Certified Buggy Building Trainee '04 Dazon Raider 150 'modded' |
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#7
12-22-2013, 08:27 AM
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When my idle was off I'd get a grind then THUNK into gear..
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2013 Trailmaster XRX 150 Type 86 stroker Taida 4V head with 23/22mm valves, forged 4V piston,Taida 62mm jug,forged Taida 8200 KDU stroker crank, Koso high-flow oil pump, Taida case half w/ oil cooler ports, Setrab oil cooler,TrailTec Vapor, Mikuni VM26-606, aluminum 30mm intake, Uni filter, aluminum stack, Hammerhead racing exhaust, MotoRio adjustable CDI/HO Coil, Iridium plug, Full Dr Pulley CVT kit w/ 16g sliders, JD's Mikuni slide kit 2014 Kandi 90B |
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