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Post by 04prixgt04 on Feb 12, 2013 18:23:22 GMT -6
so i rigged up the studs and she went together fine but the local scoot shop gave me a gasket that was a copper ring. installed it and the scoot was still loud.not as loud but idle still pops loud (kinda like a harley pop pop pop poppoppop pop). well i ordered a real (double sided ) racing gasket. istalled it and I still have the same noise!!! it cant be leaking. this all started when the muffler nuts came off and i broke a stud. it sounds like the nise is coming from where the muffler meets the head. i dont knowwhat else to do. and on the way into work today the back wheel felt like it was sliding out on me a lil. checked for play side to side and psi in tire. all is well. im really beginning to feel like the xtra 1000 on name brand would have been worth it.
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Post by alleyoop on Feb 12, 2013 20:10:20 GMT -6
How long did you ride it with Pipe Leaking and backfireing? Reason I ask it it may have already burned your exhaust valve.
Have you tried adjusting the valves.
If you give it gas does it make any sounds? POPS, BRAT, BOGS etcc..
Also if you give it a twist what sounds does it make going down to idle?
Alleyoop
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Post by 04prixgt04 on Feb 14, 2013 13:51:01 GMT -6
I got a new head w/ studs on the way. I am gonna swap it when i get my new carb jets. The bike is much quieter. I think the gasket may have needed to be broken in??? i dunno. Anyways, I have a few questions. Is the valve clearence per bike or per engine. i would think gy6 150cc is all it goes by. Also, does the new head need to be broken it or is that just for the piston?
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Post by alleyoop on Feb 14, 2013 14:12:17 GMT -6
I got a new head w/ studs on the way. I am gonna swap it when i get my new carb jets. The bike is much quieter. I think the gasket may have needed to be broken in??? i dunno. Anyways, I have a few questions. Is the valve clearence per bike or per engine. i would think gy6 150cc is all it goes by. Also, does the new head need to be broken it or is that just for the piston? The valves are PER engine and just about all of the 150+ motors you see the gaps to INTAKE to .004 inchs and the EXHAUST the same or you can go a little wider .005 inchs since the EXHAUST valve is the one that will tighten up due to the extreme heat that side of the head takes. The head does not need to be broken in it is the piston rings. Alleyoop |
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Post by 04prixgt04 on Feb 14, 2013 14:25:51 GMT -6
COOL/ I still need to open the carb and check the jet size so i know what to order. did get feeler guages today thouh  |
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Post by alleyoop on Feb 14, 2013 15:29:01 GMT -6
04,
What scoot do you have and what motor is on there? Most scoots the carb jets are NOT MARKED, but if it is a 150 they come with a 24mm carb and usually come with a #35 Pilot Jet and anywhere from a 103-105 Main Jet.
If its a 50cc they usually come with an 18mm Carb and usually come with a #30 Pilot Jet and anywhere from a 69-72 Main jet.
Alleyoop
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Post by 04prixgt04 on Feb 14, 2013 18:20:31 GMT -6
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Post by beakeyozz on Feb 15, 2013 0:24:10 GMT -6
bought the same carb n set the mixture screw at 3/4 of a turn out and new rollors 13g gained about 20klms a hour now when l back off she sorta crackells n pops through the exaust sounds cool but scince l read this do ya think me valves need ajusting it a gy6 157qmj 150cc
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Post by alleyoop on Feb 15, 2013 0:32:24 GMT -6
Beakeyozz, your are running lean that is why she crackles and pops. Give the Fuel Ratio screw 1/4 turn COUNTER CLOCKWISE at a time until it goes away. You will also see better low and midrange speed.
Alleyoop
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Post by alleyoop on Feb 15, 2013 16:21:06 GMT -6
I have the same motor a 157QMJ in the Trike you see in my sig but all modded, had it bored out now it is a 182cc motor.
Alleyoop 182cc
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Post by 04prixgt04 on Feb 15, 2013 16:37:57 GMT -6
aggghhhh. lol.... ally, i just read that the head i ordered is a non-egr head and will require a curtian valve cover. How can I tell if my head is egr or not?
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Post by alleyoop on Feb 15, 2013 19:05:49 GMT -6
Let me ask this this what kind of valve cover is on your current motor? Tell me which valve cover IS CURRENTLY ON YOUR MOTOR. Alleyoop #1  #2  |
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Post by beakeyozz on Feb 15, 2013 22:31:24 GMT -6
no 2 pic is my rocker cover
the head on yours is it a 4v l wanna get one but people say the big 2 valve ones flow better thought l get some advice here before l get one
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Post by alleyoop on Feb 15, 2013 23:06:22 GMT -6
Beak,
Yes Big 2 valve head flow better than a 4 valve head.
Alleyoop
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Post by 04prixgt04 on Feb 16, 2013 18:46:43 GMT -6
I have the second one. i assume non egr?
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..BAD TO THE BONE..
oil everywhere. i even put 2 badass inline fuel filters ont it (one 1 at first hehe) and natta. that thing is spitting oil on everything. i tried tying it hi in 2 diff places. what is it for anyways. i know it "breathes" but when and why?