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Forum: Engines & Clutches 08-21-2017, 05:48 AM
Replies: 20
Views: 1,147
Posted By afremont
Since it forms inside a plastic container/tank,...

Since it forms inside a plastic container/tank, seems unlikely that it's aluminum oxide, though it does look like that. Doing some reading, there is apparently some kind of emulsifier being added to...
Forum: Engines & Clutches 08-20-2017, 04:29 PM
Replies: 20
Views: 1,147
Posted By afremont
Been seeing a lot of grey powdery stuff plugging...

Been seeing a lot of grey powdery stuff plugging things up this year. Instead of varnish, gas evaporates and leaves this stuff behind coating the tank. New gas breaks it up and it likes to settle...
Forum: Engines & Clutches 08-20-2017, 05:58 AM
Replies: 20
Views: 1,629
Posted By afremont
BOR Motor Sports in Houston seems to be able to...

BOR Motor Sports in Houston seems to be able to order parts for these things. Look on Craigslist and see if you have a local dealer. Also you can order from dongfang out of California I think. ...
Forum: Engines & Clutches 08-19-2017, 02:41 PM
Replies: 20
Views: 1,629
Posted By afremont
What's holding those rear wheels on? I don't see...

What's holding those rear wheels on? I don't see an axle in there. I take it that's the Ninja engine sitting in there. Does it need a lot more work to get it mounted and connected? That would be...
Forum: Engines & Clutches 08-19-2017, 06:27 AM
Replies: 20
Views: 1,629
Posted By afremont
I watched a couple of YouTube videos of a guy...

I watched a couple of YouTube videos of a guy mounting a predator 420 on one of these. It required removing the cage around the stock motor, putting in a new live axle and adding a piece of box...
Forum: Engines & Clutches 08-19-2017, 06:20 AM
Replies: 6
Views: 1,143
Posted By afremont
Turns out that hole does not allow dirt/water...

Turns out that hole does not allow dirt/water into the oil. Despite the manual, there is only one oil compartment for the crankcase and transmission. I spoke to a guy at a local dealership that...
Forum: Engines & Clutches 08-18-2017, 11:27 AM
Replies: 20
Views: 1,629
Posted By afremont
I know very little about the motor and carb. I...

I know very little about the motor and carb. I do know that carb bowl is riveted on making it difficult to clean properly. I learned that the mixture screw is key to making it run and idle properly...
Forum: Engines & Clutches 08-18-2017, 10:45 AM
Replies: 20
Views: 1,629
Posted By afremont
Does the factory motor run? It may not be a...

Does the factory motor run? It may not be a torque monster, but the HP rating isn't that bad. It revs high which is kind of a plus in my opinion. Silly accessories aside, real suspension and 4...
Forum: Engines & Clutches 08-17-2017, 06:24 PM
Replies: 6
Views: 1,143
Posted By afremont
I got it running now, I'm guessing they worked on...

I got it running now, I'm guessing they worked on it themselves first. Mixture screw backed out wayyyyyy too far. They had it about 1 3/4 turns out. It needs to be more like 3/4. I cleaned the...
Forum: Engines & Clutches 08-17-2017, 04:22 PM
Replies: 6
Views: 1,143
Posted By afremont
Definitely not a 2-stroke. I was able to get it...

Definitely not a 2-stroke. I was able to get it running today. Took the carb off and cleaned it out as best I could. The bowl is riveted on so no getting in there. It idles great with the choke...
Forum: Engines & Clutches 08-17-2017, 08:08 AM
Replies: 6
Views: 1,143
Posted By afremont
Dongfang wont start

Is there a low oil shut-off on these things? Oil is right at the bottom of the zone, I'll top it off when I pick some up.

My neighbor conned me into looking at her son's kart/buggy/whatever. I...
Forum: Go Kart Discussion 09-29-2015, 03:47 AM
Replies: 41
Views: 2,911
Posted By afremont
Without knowing the frequency of the pulses, I'm...

Without knowing the frequency of the pulses, I'm not doing a lot more than guessing, but I'd say that you might need 20 or 30 thousand microfarads of capacitance. Again, a battery may be a better...
Forum: Go Kart Discussion 09-28-2015, 08:15 AM
Replies: 41
Views: 2,911
Posted By afremont
Do you know how much current those LED lights...

Do you know how much current those LED lights draw? You may need to use much more capacitance to get good results. At some point, the battery is likely a better way to go, especially if you want...
Forum: Go Kart Discussion 09-28-2015, 04:24 AM
Replies: 41
Views: 2,911
Posted By afremont
You could try installing a capacitor. It will...

You could try installing a capacitor. It will smooth out the pulses and if the average voltage is enough to turn on the LEDs, they will glow at idle. If it's not high enough, then they will likely...
Forum: Engines & Clutches 08-17-2015, 05:00 PM
Replies: 33
Views: 2,846
Posted By afremont
That's because it was cast. They should have...

That's because it was cast. They should have machined it out of a billet. ;)
Forum: Engines & Clutches 08-17-2015, 06:22 AM
Replies: 33
Views: 2,846
Posted By afremont
LOL, oops. That's going to leave a mark. ;)

LOL, oops. That's going to leave a mark. ;)
Forum: Engines & Clutches 08-17-2015, 04:59 AM
Replies: 33
Views: 2,846
Posted By afremont
All aluminum blocks start out as castings at some...

All aluminum blocks start out as castings at some point. It's not like aluminum comes out of the Earth in big pieces and goes straight to a CNC shop. That's my only point to this.

Billet...
Forum: Go Kart Discussion 08-16-2015, 08:09 PM
Replies: 23
Views: 1,976
Posted By afremont
Well, lets take step back then. When the kart...

Well, lets take step back then. When the kart has the wheels off the ground, does it accelerate fine? If so, then the problem may just be that the throttle butterfly is opening too far too soon...
Forum: Go Kart Discussion 08-16-2015, 07:43 PM
Replies: 2
Views: 481
Posted By afremont
You're just going to have to sit in it to see how...

You're just going to have to sit in it to see how you like it. It looks like it might be longish, but looks can certainly be deceiving. I'm 6'1" with 36" inseam and I can drive my daughter's carter...
Forum: Go Kart Discussion 08-16-2015, 07:39 PM
Replies: 23
Views: 1,976
Posted By afremont
That idle jet with the plastic cap is NOT...

That idle jet with the plastic cap is NOT adjustable, you run it all the way in and that's it. Is the jet on the bottom of the bowl adjustable or does it look like a bolt? If it doesn't have a...
Forum: Go Kart Discussion 08-16-2015, 07:29 PM
Replies: 22
Views: 1,913
Posted By afremont
Looks really nice. I hear you about the bonding...

Looks really nice. I hear you about the bonding thing. Watching my daughter taking her first ride was worth a hundred times what I paid for it and then some.
Forum: Engines & Clutches 08-16-2015, 11:20 AM
Replies: 33
Views: 2,846
Posted By afremont
I've read that billet blocks are often rolled or...

I've read that billet blocks are often rolled or tempered after casting and that's the primary thing that makes billet aluminum parts stronger than just plain cast parts. I suppose you could...
Forum: Go Kart Discussion 08-16-2015, 10:36 AM
Replies: 26
Views: 1,501
Posted By afremont
@Extinqt - From looking at the other pictures...

@Extinqt - From looking at the other pictures posted, you need some kind of connection from the part that is moving to the linkages. The other pictures show a rusty spring, but that seems weird to...
Forum: Go Kart Discussion 08-16-2015, 07:47 AM
Replies: 22
Views: 8,482
Posted By afremont
Set fire to it. If it catches easy, it's got...

Set fire to it. If it catches easy, it's got gasoline in it. Take appropriate precautions of course. It would smell too. Plus you'd be draining more than you put into it since the fuel adds to...
Forum: Engines & Clutches 08-16-2015, 05:30 AM
Replies: 33
Views: 2,846
Posted By afremont
Billet is not necessarily stronger than cast. It...

Billet is not necessarily stronger than cast. It all has to do with what the alloy is and how the billet block was treated after it was cast. If it was rolled and heat treated then it will be...
Showing results 1 to 25 of 148

 

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