Scooter Kasinski Prima 50cc CDI squematics 6 wires plug By sabotendar (Read 19,155 times)

[Bashan]

Yeah, go ahead and try the exhaust pipe, I don't think it can hurt anything. What can hurt them is running WITHOUT one. You may be correct, the exhaust may be clogged. I agree with Brent, I still think you need to check the compression. The finger thing just doesn't cut it. Around here you can go to an Auto Zone or other parts store and they will loan you equipment like that. They don't do that in Brazil? Even so, you can get a compression test kit for under $50.00 at Harbor Freight. It would be worth it IMO. Rich

[sabotendar]

Apr 22, 2014 10:19:57 GMT -6 Bashan said:

Yeah, go ahead and try the exhaust pipe, I don't think it can hurt anything. What can hurt them is running WITHOUT one. You may be correct, the exhaust may be clogged. I agree with Brent, I still think you need to check the compression. The finger thing just doesn't cut it. Around here you can go to an Auto Zone or other parts store and they will loan you equipment like that. They don't do that in Brazil? Even so, you can get a compression test kit for under $50.00 at Harbor Freight. It would be worth it IMO. Rich

I also want to test compression but here in brazil i dont know how this works and to be honest i dont think the guys from bike parts shop will loan to me, my only exit is to buy one here, also i bought a flattened cylinder with the piston and rings this take time to arrive here something about 2 weeks on this meantime i will make some cleaning and modifications, like i sayd before the bike works but in ramps is ridiculous to try to accelerate on the other side on clean and plain route she runs like a charm.
Thanks for reply.

Sabo.

[90gtvert]

Here the loaner tool programs at AutoZone, Advance Auto, etc.. generally require you to pay full price for the tool up front. You use it and bring it back with the receipt they should give you and then you get a full refund if the tool is still in good shape. Can't just grab a tool off the shelf and do this, you have to talk to them and tell them you want a loaner tool. No idea what's available or what stores are where you are though.

If you can blow through your current exhaust pretty easily and feel air coming out the other end, it's probably fine. Old pipes can be cleaned out with a caustic soda, but don't use that on aluminum. If you Google "decoking" or "de-coking" and two-stroke or 2T pipe/exhaust you should see all sorts of info on cleaning exhausts out.

[sabotendar]

Apr 23, 2014 12:14:02 GMT -6 90gtvert said:

Here the loaner tool programs at AutoZone, Advance Auto, etc.. generally require you to pay full price for the tool up front. You use it and bring it back with the receipt they should give you and then you get a full refund if the tool is still in good shape. Can't just grab a tool off the shelf and do this, you have to talk to them and tell them you want a loaner tool. No idea what's available or what stores are where you are though.

If you can blow through your current exhaust pretty easily and feel air coming out the other end, it's probably fine. Old pipes can be cleaned out with a caustic soda, but don't use that on aluminum. If you Google "decoking" or "de-coking" and two-stroke or 2T pipe/exhaust you should see all sorts of info on cleaning exhausts out.

Ok i will try to talk with the guy from the bike parts shop and see whats happens, and about the exhaust give me by my friend i can realy put on bike like Bashan said? I make a search on google and see some changes of exhaust can cause a poorly performance of bike. A guy from another bike fix shop said the problem is not the compression because if was the bike never reach till the max velocity she only delay the reach till the max and when i take a ramp on full throtle she going like a charm and no lost power. I dont know what can be and my bet is the carb again if the guy is correct.

Sabo.

[Alleyoop]

I would go down to 35.1 on he oil mix that plug is fouled with oil and running on the rich side so also adjust your carb to lean it out a little.

Now without a compression tool to check if it has OK compression stick your finger in the hole HOLD THE THROTTLE WIDE OPEN and CRANK THE MOTOR OVER. IF it LIFTS your finger off the hold it has OK COMPRESSION if it DOES NOT LIFT your finger off the HOLE then you have LOW COMPRESSION and no power.

Alleyoop

[sabotendar]

Apr 23, 2014 15:29:43 GMT -6 Alleyoop said:

I would go down to 35.1 on he oil mix that plug is fouled with oil and running on the rich side so also adjust your carb to lean it out a little.

Now without a compression tool to check if it has OK compression stick your finger in the hole HOLD THE THROTTLE WIDE OPEN and CRANK THE MOTOR OVER. IF it LIFTS your finger off the hold it has OK COMPRESSION if it DOES NOT LIFT your finger off the HOLE then you have LOW COMPRESSION and no power.

Alleyoop

Lower the premix whit minus gas and more oil? I dont know if it will work! But i have to empty fuel tank frist. Tomorow i will make the test whit compression you said and post the results. And about the exhaust pipe from another bike i can put whitout problem?

Sabo.

[Alleyoop]

NO YOU WANT MORE GAS LESS OIL.
The Pipe from another bike you can try it. If it is a straight through pipe it will not work to good. 2 Strokes need some back pressure more than 4 stroke motors.
Alleyoop

[sabotendar]

Apr 23, 2014 17:50:27 GMT -6 Alleyoop said:

NO YOU WANT MORE GAS LESS OIL.
The Pipe from another bike you can try it. If it is a straight through pipe it will not work to good. 2 Strokes need some back pressure more than 4 stroke motors.
Alleyoop

Ok i understood! Yes sir! Rise the gas, but make the mix 32:1 for 5L of gas will be 142ml of oil "rise" the oil mix but if say to low the oil i will obey what did you think 100ml or 90ml oil? About the pipe i will try to make a test. Thanks.

Sabo.

[sabotendar]

Guys i dont make any change until now but i notice a little oil came out from exhaust its normal? Today i will make the tests whit compression and low the oil mix something about 90ml oil to 5 litres of gas what did think?

Sabo.

[Bashan]

Oil in the exhaust would be understandable if the mixture was a little heavy on oil. But it could also be blow by from the rings. I still think the compression is the issue. That's just my opinion and two strokes are not my forte. Rich

[sabotendar]

Apr 26, 2014 7:07:25 GMT -6 Bashan said:

Oil in the exhaust would be understandable if the mixture was a little heavy on oil. But it could also be blow by from the rings. I still think the compression is the issue. That's just my opinion and two strokes are not my forte. Rich

Ok i do more tests and have compression like aley said i put my finger on plug hole and crank the bike and my finger will forced to blow out from there about the oil i have my dubts about the carb when i take out the spark plug and see it its clean no dirt or carbon like a good spark but after i stop the bike for a time, 3 days to exact, i turn on, and the motor works poorly and the bike not move from his place i have to keep all the throtle open until she recover power and finaly move but after i run for a time the problem disapear again and all the times i crank the motor she works and move like normal i think all the problems have connection whit the carb and i cannot place the original in place i have to make something adaptation from anoter carb.

Sabo.

[sabotendar]

Hey people i make more changes on bike now i change the wires from another scrapped bike the wires are intact i replace and noticed a slight improvement when I turn it on the lights are more strong, the charge system works beter too but I have not walked the bike to see how it is performing, because I am hoping to get more pieces, perhaps I walk on it next weekend, the oil pump, although not connected at all, works! She was with the hose connected to the intake manifold and sucking air from the other end would the oil reservoir, ie sending more air into the engine after passing carb, maybe it works better when I reassemble it. About this to my wife, she liked the idea of ​​having a bike but she knows that the bike still does not runing well.

Sabo.

[Bashan]

You don't have any vacuum lines running unplugged or unconnected do you? The vacuum system must be sealed or it will ruin the bike's performance. Rich

[sabotendar]

May 2, 2014 21:50:32 GMT -6 Bashan said:

You don't have any vacuum lines running unplugged or unconnected do you? The vacuum system must be sealed or it will ruin the bike's performance. Rich

I do not know if I speak nonsense, but if there were problems there should be oil or fuel leaks anywhere?
Sabo.

[Bashan]

I know this isn't your bike but this illustrates vacuum lines:

They run off of the intake manifold and run to valves and diaphragms. There is no gas or oil in them, they simply provide vacuum. If one isn't connected they cause a massive air leak into the intake system and ruin performance. Rich