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Re: Fuel Flow Problem -- APC Mini Chopper

I'm looking for Cam2 for an answer. hoping
I again had to replace the fuel lines on my mini chopper.
Question is they appear from the grommet taper to go in from inside the fuel tank outwards?
How is that accomplished.
If I install from outward in ( looks easier) they are reversed and the filter would be outside the tank.
So before I screw it up, some advise please.
BTW the new carb you suggested w/ link. Good to go, once I get fuel to it again.
Thank You, Scott
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Re: Fuel Flow Problem -- APC Mini Chopper

Cam2,
I forgot got to ask if you knew if this a 6v or 12v system
so I get the correct battery?
Or maybe you can lead to one??
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Re: Fuel Flow Problem -- APC Mini Chopper

Its a 12v. system if you have the piston port engine. The starter/generator housings main wire should read 13.7 volts AC, so to charge your 12volt DC battery & run your lights the main line goes to a voltage regulator that turns AC current to DC current then thru a 10amp fuse then to the key. The grommet is forced into the tank hole from the outside.

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Re: Fuel Flow Problem -- APC Mini Chopper

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Originally Posted by scotty1031 View Post
Cam2,
I forgot got to ask if you knew if this a 6v or 12v system
so I get the correct battery?
Or maybe you can lead to one??

https://www.ebay.com/itm/Power-Sonic...oAAOSwndZaeQ3c

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Re: Fuel Flow Problem -- APC Mini Chopper

Quote:
Originally Posted by scotty1031 View Post
I'm looking for Cam2 for an answer. hoping
I again had to replace the fuel lines on my mini chopper.
Question is they appear from the grommet taper to go in from inside the fuel tank outwards?
How is that accomplished.
If I install from outward in ( looks easier) they are reversed and the filter would be outside the tank.
So before I screw it up, some advise please.
BTW the new carb you suggested w/ link. Good to go, once I get fuel to it again.
Thank You, Scott
Good to hear about the carb.....

For the fuellines..You cut the end of the fuelline on an angle use a lil lube to force it through.....

Then you cut the end flush again to put the clunker/filter on the end of the black line with enough line pulled through to reach the other end of the tank on the bottom as the fueltank is mounted slightly angled so you want it down deep ..

Pull a few inches of return fuelline through then pop the bung into the tank...


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Last edited by CAM2; 04-03-2019 at 12:13 AM.
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Re: Fuel Flow Problem -- APC Mini Chopper

Thanks for the help.
Scott
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Re: Fuel Flow Problem -- APC Mini Chopper

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Thanks for the help.
Scott
You're Welcome.

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Re: Fuel Flow Problem -- APC Mini Chopper

Cam2
Install went smooth as silk. Thank You
Good news it runs, idles, good response.
Ordered the battery.
Question: What is the fuel mixture ratio? Seems to be a lil smoky? I wasn't sure so used 40:1.
Now I think I am in need of a key switch so not have to unplug to start and plug in to kill on the ignition key plug in's .
I got it w/o key. Any ideas where to look?
Then there are lights, t/s, brakes, kickstand mount.
but I'll geter done.
Thank You for ALL your help
Scott
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Re: Fuel Flow Problem -- APC Mini Chopper

Quote:
Originally Posted by scotty1031 View Post
Cam2
Install went smooth as silk. Thank You
Good news it runs, idles, good response.
Ordered the battery.
Question: What is the fuel mixture ratio? Seems to be a lil smoky? I wasn't sure so used 40:1.
Now I think I am in need of a key switch so not have to unplug to start and plug in to kill on the ignition key plug in's .
I got it w/o key. Any ideas where to look?
Then there are lights, t/s, brakes, kickstand mount.
but I'll geter done.
Thank You for ALL your help
Scott
40:1 is a considered a safe mix...I run a 50:1 mix and on mildly modified pumpgas engines between 91 and 93 octane..Its leaner on oil and more on fuel..

The cylinder is chromed so its pretty tough.....If you can get the piston anodized with a Teflon coating applied youd be golden as far as engine life..

Mix up some 50:1..Put in a new NGK BPM6A sparkplug gapped to .030"


Make sure coil thongs and magnet are rust free also set .020" apart.


After you establish you have all the particulars checked , replaced and readjusted you can work on tuning if its still a lil smokey.....

Youre always gonna get smoke....The oil type matters too....Theres ashless TC-W3 blends that are smokeless....

On the carb top theres a brass holdown screw..in the center of that is the LSN/HSN adjustment screw....on the side of the carb is the fuel rate screw..


Try turning the fuel rate screw on the side of the carb 1/4 turn inwards to start.....This will limit the rate of fuel the carb sucks in per stroke per pump of the diaphragm.

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Last edited by CAM2; 04-03-2019 at 07:28 PM.
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Re: Fuel Flow Problem -- APC Mini Chopper

Cam2
Will do,Thanks again
Found a 5 wire key switch.
Waiting for another set of fuel lines. The new 2nd set broke @ the tank grommet again.
Ordered from a different seller. trying that?
Don't have a clue why they keep breaking there.
Again Thanks
Scott
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Re: Fuel Flow Problem -- APC Mini Chopper

Quote:
Originally Posted by scotty1031 View Post
Cam2
Will do,Thanks again
Found a 5 wire key switch.
Waiting for another set of fuel lines. The new 2nd set broke @ the tank grommet again.
Ordered from a different seller. trying that?
Don't have a clue why they keep breaking there.
Again Thanks
Scott

No problem....The reason why they keep breaking at the bung is because the hoses are being squeezed in an unnatural position then forced to try to expand as those cheapo bung and lines are highly sensative to ethanol fuels so the fuelline fatigues fast when being subjected to harsh vibrations from the fuel clunker vibrating around....


Seeings I know this and hated when happening far far away from home on my stand-up scooter I take a drillbit and I drill out the rubber bung a lil to releive the clamping pressure on the fuelline and I use a lil Permatex 85420 Permashield to seal the void up topped off by a lil RTV black gasket maker..Its a 100% fuel resistant sealer but non-hardening..

They have Tygon ethanol resistant fuelline..Also this stuff..
https://www.ebay.com/itm/1-8-ID-Fluo...ss!11746!US!-1

https://www.ebay.com/itm/Flexible-In...r=620328264243


You can also convert to the harder flexible nylon plastic fuellines too.............

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Last edited by CAM2; 04-04-2019 at 03:58 PM.
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Re: Fuel Flow Problem -- APC Mini Chopper

Cam2,
That explains a lot. Didn't think of that. Thanks
I try the drill technic and let you know
Scott
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Re: Fuel Flow Problem -- APC Mini Chopper

Cam2,
You've been very helpful. Thank You
I have a few more questions if you don't mind.
Where can I get good parts?
Like fuel lines that don't break? another cheapo set broke, never installed
Key switch that keeps it contacts? New one worked for a bit, now wiggle wires, it's off and on w/key on. (5wire)
Blinker stuff that works all the time? They did work at first, now left is making the flasher hum and right nothing
What holds the new battery in place? As not to fall out. Maybe a tray with strap? w/o afro engineering. lol
All your leads have been dead on, Thanks
Could use some more. Please
Scott
P.S. probably have more up coming questions
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Re: Fuel Flow Problem -- APC Mini Chopper

Quote:
Originally Posted by scotty1031 View Post
Cam2,
You've been very helpful. Thank You
I have a few more questions if you don't mind.
Where can I get good parts?
Like fuel lines that don't break? another cheapo set broke, never installed
Key switch that keeps it contacts? New one worked for a bit, now wiggle wires, it's off and on w/key on. (5wire)
Blinker stuff that works all the time? They did work at first, now left is making the flasher hum and right nothing
What holds the new battery in place? As not to fall out. Maybe a tray with strap? w/o afro engineering. lol
All your leads have been dead on, Thanks
Could use some more. Please
Scott
P.S. probably have more up coming questions
Sounds like you need some Tygon 1200...https://www.usplastic.com/catalog/it...?itemid=105478

I use the rubber stuff on the end for the carb and use a heatgun to mount the fuel clunker......

On my Mini Harley there was a battery holder the size of the battery under the gastank cover and the battery was literally double-sided taped to the bottom and the backside of it..

A rubber top strap holds most batteries and a metal strap holds others...I use an old leather strap..

As far as the keyswitch you can use a slightly better one.....

https://www.amazon.com/dp/B01M4J329F..._t1_B0711D3WHH

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Last edited by CAM2; 04-14-2019 at 10:41 PM.
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Re: Fuel Flow Problem -- APC Mini Chopper

Cam2,
Just an update and thank you for the help.
Think I'm done with it, got it finished.
Starts easy, runs good, all the lights, blinkers, headlamp, stop, horn, back fender, etc.
Going to try sending pics.
Maybe you would tell me worth and opinion?
Thank You
Scott
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Last edited by scotty1031; 05-14-2019 at 11:37 PM.
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Re: Fuel Flow Problem -- APC Mini Chopper

Quote:
Originally Posted by scotty1031 View Post
Cam2,
Just an update and thank you for the help.
Think I'm done with it, got it finished.
Starts easy, runs good, all the lights, blinkers, headlamp, stop, horn, back fender, etc.
Going to try sending pics.
Maybe you would tell me worth and opinion?
Thank You
Scott
Looks good man....YOU did a pretty nice job on that mini chopper getting it done..

Only thing I see a lil askew is the sissy bar and rear fender..it seems a lil tweaked but very easy to straighten......


As far as what i would value it at I dont know what you paid for the bike and the parts but I will say brand new they were $365.00 back in 04/05 so I hope that can give you a base where to start...........

Lots of luck with it and go have some good rides before you get rid of it...

Thanks for the update and You're Welcome Scott...Take care bud.
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Last edited by CAM2; 05-15-2019 at 07:45 AM.
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Re: Fuel Flow Problem -- APC Mini Chopper

I would not sell it for less than $300, that $365 would be like $600 at todays prices. But, its only worth what a buyer is willing to pay, don't give it away, its a collector bike now.

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Re: Fuel Flow Problem -- APC Mini Chopper

Thanks Guys for the positive and all the help. Can't wait for another project like this one. To much fun, might hurt myself. lol
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Re: Fuel Flow Problem -- APC Mini Chopper

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Originally Posted by scotty1031 View Post
Thanks Guys for the positive and all the help. Can't wait for another project like this one. To much fun, might hurt myself. lol
Yes Indeed.....They are fun ..............

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Re: Fuel Flow Problem -- APC Mini Chopper

Something with bigger tires and a lil more ***. Would be Great. I'll find one and ya'all will know
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