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Post by tycomike on May 7, 2014 15:18:49 GMT -6
So I had only one thing left on my todo list, that was checking the valves. After what I took as TDC, I adjusted the valves to .004. Now she won't start. I have a spark. I tried liquid fire. It sputtered for a second. Then nothing. Also what's the proper gap for a 150cc? My engine is BZ157QMJ. Any help would be greatly appreciated. Thanks.
Mike
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Post by Alleyoop on May 7, 2014 15:38:11 GMT -6
When you aligned the CAM SPROCKET to adjust the valves was it like this? Alleyoop  |
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Post by tycomike on May 7, 2014 15:46:03 GMT -6
Yes. One of the manuals I'm looking at says use a 0.08 ~ 0.12mm for gap. As well the gap I'd been using for the spark was 1.52mm. But it was running.
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Post by Alleyoop on May 7, 2014 15:48:22 GMT -6
Spark plug gaps should be between .026 .032 mm do .028. 1.52 is to wide of a spark plug gap.
Alleyoop
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Post by Bashan on May 7, 2014 19:54:37 GMT -6
Did you recheck the valve gap? Sometimes the nut slips.
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Post by tycomike on May 8, 2014 20:55:52 GMT -6
Ok. So I just double checked everything. I was TDC. I set both valves to 0.05mm. Still no start. Any ideas? Thanks.
Mike
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Post by Alleyoop on May 8, 2014 21:15:51 GMT -6
Spark plug gaps should be between .026 .032 mm do .028. 1.52 is to wide of a spark plug gap. Alleyoop Did you correct your spark plug gap. |
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Post by Bashan on May 8, 2014 21:21:10 GMT -6
Start taking things off of the table. If it was me I use a syringe to fill the float bowl through the carb vent and hit the starter. The fact it sputtered with some fluid makes me suspect fuel. I know, I know, why? They're scooters, they're evil, they're good, they are an enigma within a mystery. Rich
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Post by tycomike on May 8, 2014 21:59:36 GMT -6
Yes Alleyoop I re-gapped the spark plug. I'll look into the fuel issues. My manual days the valve gap should be 0.08 ~ 0.12mm. Does that sound right? Thanks.
Mike
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Post by Alleyoop on May 8, 2014 22:25:57 GMT -6
Yes Alleyoop I re-gapped the spark plug. I'll look into the fuel issues. My manual days the valve gap should be 0.08 ~ 0.12mm. Does that sound right? Thanks. Mike Sent from my iPhone using Tapatalk No it sure doesn't sound right maybe for your valves .08mm and .010 mm but not for your plug, do you realize that is almost a closed gap. I think your reading something wrong. Alleyoop |
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Post by tycomike on May 9, 2014 7:08:16 GMT -6
Ok so I have the valves and spark gapped correctly now. I'm wondering if admin is correct and it's starving for fuel now. Because when the spark was gapped huge, the engine was flooding. So I screwed the mixture screw all the way in. Then back 2.5 turns (I read that on here somewheres). The engine was running then, but the spark gap was huge. Now the spark gap is correct. So I'm thinking now I have to adjust the fuel mixture screw, again. Does this sound correct? Thanks.
Mike
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Post by tycomike on May 9, 2014 19:23:31 GMT -6
Well I put a new spark plug. Adjusted the fuel mixture screw. Sprayed in some Liquid Fire. She turned right over. Thanks everyone for help. Thanks.
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Post by Alleyoop on May 9, 2014 19:43:43 GMT -6
Good job Bro.
Alleyoop
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..BAD TO THE BONE..
