4 pin CDI advice - Can't find the right one
#11
08-03-2012, 03:33 PM
Range Rover
I don't know what that harness is. The only thing that now bothers me about it is that it looks used inside like something was there.... 
However, we adjusted the carburator and now it's running pretty good. It bogs down a little. It was adjusted more to make it leaner but still bogs down a little. My roommate was saying we could put a bigger carb on it. I don't know how easy that is. It takes the PZ20. That might just be how it runs; but it's true that carb is very small looking...
There are a couple on the page I'm looking at here for 125cc. I'm not sure it they would fit. I removed the links so it won't seem spammy.
$39.95
22mm Carburetor w/Hand Choke Lever for 125cc 4-stroke ATVs, Dirt Bikes & Go Karts
$31.95
25mm Carburetor w/Hand Choke Lever for 125cc 4-stroke ATVs, Dirt Bikes & Go Karts
$19.95
PZ20 Carburetor for 50-110cc Horizontal Engine
$63.95
VM22 Mikuni Carburetor for 125cc ATVs & Dirt Bikes
However, we adjusted the carburator and now it's running pretty good. It bogs down a little. It was adjusted more to make it leaner but still bogs down a little. My roommate was saying we could put a bigger carb on it. I don't know how easy that is. It takes the PZ20. That might just be how it runs; but it's true that carb is very small looking...
There are a couple on the page I'm looking at here for 125cc. I'm not sure it they would fit. I removed the links so it won't seem spammy.
$39.95
22mm Carburetor w/Hand Choke Lever for 125cc 4-stroke ATVs, Dirt Bikes & Go Karts
$31.95
25mm Carburetor w/Hand Choke Lever for 125cc 4-stroke ATVs, Dirt Bikes & Go Karts
$19.95
PZ20 Carburetor for 50-110cc Horizontal Engine
$63.95
VM22 Mikuni Carburetor for 125cc ATVs & Dirt Bikes
#12
08-08-2012, 08:05 PM
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Most of the carbs out there are chinese copies. You might want to go 24mm or a 26mm monster carb. I still have stock 19mm and also considering going bigger, I've done my research 
MIKUNI 26 MM CARBURETOR CARB XR CRF 50 SDG KLX 110 BIKE | eBay
24MM MIKUNI CARBURETOR HONDA CRF50 XR50 XR 50 CARB CA06 | eBay
If you can find one that has a accelerator pump, it will improve starting and throttle acceleration I've read.
MIKUNI 26 MM CARBURETOR CARB XR CRF 50 SDG KLX 110 BIKE | eBay
24MM MIKUNI CARBURETOR HONDA CRF50 XR50 XR 50 CARB CA06 | eBay
If you can find one that has a accelerator pump, it will improve starting and throttle acceleration I've read.
#13
08-08-2012, 08:07 PM
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I don't know about the carburetors. I still use the stock one on my quad.
Besides making sure the quad runs (which it does now) make sure the battery is charging. Start up the quad, turn off the headlights, and run it at a medium fast speed like 3000 RPM. Measure your battery voltage right on the battery terminals. It should be 13.5 to 14.5 volts DC. Is so, I would ignore those two connectors.
Or, if you're really curious, you could take those four wire colors on he two connectors and inspect every other connector in your main wiring harness for the same colors. Note where these wires connect to. Do this for all four wires. The idea is that a purple wire going into the wiring harness will *still be purple* when it comes out somewhere else. The we see what that other purple wire connects to and then we start to connect the dots. After doing this for all four colors we will have a pretty clear picture of what these wires are supposed to do...
Besides making sure the quad runs (which it does now) make sure the battery is charging. Start up the quad, turn off the headlights, and run it at a medium fast speed like 3000 RPM. Measure your battery voltage right on the battery terminals. It should be 13.5 to 14.5 volts DC. Is so, I would ignore those two connectors.
Or, if you're really curious, you could take those four wire colors on he two connectors and inspect every other connector in your main wiring harness for the same colors. Note where these wires connect to. Do this for all four wires. The idea is that a purple wire going into the wiring harness will *still be purple* when it comes out somewhere else. The we see what that other purple wire connects to and then we start to connect the dots. After doing this for all four colors we will have a pretty clear picture of what these wires are supposed to do...
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