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Post by 1speed on Sept 25, 2020 9:03:10 GMT -5
Well last night i fully disassembled carb. cleaned every single passage.. every opening.. everything.. with carb cleaner..
reassembled paying extra attention to float valve. how it moves with the float.. no sticking.. double checked the float height... filled bowl.. and hooked a gas line up to large syringe and filled with gas to a line on the syringe and let it sit with gravity feed.. this morning line had not moved.. no gas in venturi or around bowl at all.. i dont think its the carb
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Post by tortoise2 on Sept 25, 2020 10:37:54 GMT -5
I'm down to try anything. GY6 150 in this video . . but he found a gearbox bolt that "backed itself out binding with the clutch setup essentially stopping the crankshaft from spinning freely".
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Post by 1speed on Sept 25, 2020 11:54:51 GMT -5
So i pulled the Stator out and the new rectifier that i had just added and brought them to work to have the circuit board genius that work here lend a hand..
My new stator test out fine with ohms anyways... ill double check voltages when back on scooter... the new rectifier is shot they say... the yellow/green which is supposed to have between 5k-100k is open no continuity..
so thats strange... again
new rectifier and cdi other night started like it should/enricher acted normal/ not rich/ perfect
then let rest one hour
restart back to rich and poor idle till enchricher closes... and blown rectifier???
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Post by 1speed on Sept 25, 2020 12:14:26 GMT -5
Just wanna throw out there that... yes the pinout of rectifier and my harness match
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Post by 1speed on Sept 25, 2020 19:41:46 GMT -5
Interesting update
I did something I told myself I wouldn't do..
To mentally put the nail in the coffin for myself about the carb...
I took the carb of the Wildfire which runs like a champ.. and I mean a champ..
Put the 95mj in it (so I could run it if it worked)
Put it in a fired it up...
And what do ya know...
SAME PROBLEM... RICH.. SLIGHT PUFFS OF BLACK SMOKE... Have to hold throttle cracked... the the enrichner closed. . Then idle..
Take the carb from the motofino.. put it in the wildfire with the mj...
Fires up normal... idles good through the enrichner cycle...
Runs like fire..
I'm so lost...
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Post by mikehailwood on Sept 26, 2020 11:06:34 GMT -5
When you moved the Wildfire carb to the Motofino, did you move the Wildfire enricher with it?
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Post by 1speed on Sept 26, 2020 18:11:56 GMT -5
Yup.. whole setup... and whole carb setup from motofino to wildfire. Just swapped MJ..
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Post by GrumpyUnk on Sept 27, 2020 7:50:56 GMT -5
I think the problem is somewhere in the fuel supply. The petcock having its diaphragm punctured... Maybe is bleeding too much fuel via another path? Do you have anything else connecting to the intake? Is there some line feeding possibly to the air cleaner? Any smog control devices or mechanisms connected? Some source of extra fuel is being connected. Has to be that or something is affecting the carb when it is installed. Have you tried with the air cleaner assembly disconnected? The bowl vent is not connected to anything, should be routed downward in front of the CVT. Some thing is feeding. Unless you have found an old Fish Carburetor(old tale of 50mpg carb hidden by oilCo) tom
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Post by 1speed on Sept 27, 2020 13:43:24 GMT -5
I'll try swapping the gas tanks are rehooking the vaccume line... no smog stuff.. no other lines.. no nothing.. factory air box in good shape.. nothing connect to vent line..
I really appreciate the ideas.
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Post by GrumpyUnk on Sept 28, 2020 9:07:54 GMT -5
I just had a thought about the air filter foam element. If it is oiled, it may be too well oiled, and lead to an airflow restriction. Try swapping the complete airbox from machine to machine. It is only a couple 8mm bolts down at the bottom. Maybe that 'nose' looking thing on the leading panel of the airbox, it does have a screen embedded that could be semi-clogged. Removing it(airbox) for testing would lean out the mix a bit, possibly causing a bit of hesitation, but it should run well at speed. tom
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Post by 1speed on Sept 28, 2020 20:32:28 GMT -5
Well Tom... thanks to you we have a fix. It's the petcock.. I ran a hose from motofino carb to gas tank of wildfire. Uncapped the intake nipple and ran a hose and connected it to the petcock... Purred like a kitten... back to original setup... rich..
Man.. I could kill people from the internet.. when I first got the scooters I read numerous posts about people drilling out petcock and adding manual shutoff.. to avoid the petcock failure that leads to extra fuel sucking into intake..
Thought i was doing myself a favor. Ha.
New petcock arrives tomorrow.. then I'll fire it up hopefully to a purring motor.. and can install that A9 cam and continue my tuning..
I'll post updates still for fun..
But thank all of you for all the ideas.
Doug
DONT DRILL YOUR PETCOCK
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Post by 1speed on Sept 30, 2020 22:27:01 GMT -5
Well... win some lose some I guess...
I don't even know what to say...
Got the petcock... installed it...
Rich...
....
Nuclear meltdown...
Wtf..
Reuse old hoses and re-run to wildfire.
Starts fine...
Realise something.. the hose I'm using is slightly loose on intake nipple for vaccume..
Rehook hoses..
This time leaving the vaccume hose off diaphram And cap it with my finger .
Start scooter and crack finger off hose the slightest bit.. like barely hear it.
Scooter runs fine
U can control it almost like a throttle.
Hook it back to diaphragm and back to rich.
Why me...
Completely remove air box
Open carb..
Starts rich like normal..
Pull vaccume line and crack it with finger
Idles fine..
Its rich. .
Ordered new cdi and regulator just because.. tried them one at a time with everything hooked up in scooter like normal...
No difference. So there goes that...
Do I just jet it down and watch it blow.
Its already 32mj
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Post by mikehailwood on Oct 1, 2020 8:08:04 GMT -5
Well Tom... thanks to you we have a fix. It's the petcock.. I ran a hose from motofino carb to gas tank of wildfire. Uncapped the intake nipple and ran a hose and connected it to the petcock... Purred like a kitten... back to original setup... rich.. Man.. I could kill people from the internet.. when I first got the scooters I read numerous posts about people drilling out petcock and adding manual shutoff.. to avoid the petcock failure that leads to extra fuel sucking into intake.. Thought i was doing myself a favor. Ha. New petcock arrives tomorrow.. then I'll fire it up hopefully to a purring motor.. and can install that A9 cam and continue my tuning.. I'll post updates still for fun.. But thank all of you for all the ideas. Doug DONT DRILL YOUR PETCOCK I don't understand how a modified petcock could contribute to a rich fuel condition. And I'm not saying that it couldn't. I just do not understand how it could. A properly operating float system should prevent excess fuel from entering the carb, unless fuel head pressure was so high as to overtax the system.
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Post by 1speed on Oct 1, 2020 8:29:52 GMT -5
There's a lot of things i dont understand... like what is going on with this thing...
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Post by GrumpyUnk on Oct 1, 2020 10:15:06 GMT -5
I want a picture. Save ~900 words. Maybe. I get the feeling that some of the vacuum lines may be connected to the frambulator rather than the frizzistat. That makes is run poorly. tom
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