IHADAV8.com - Turbo Buick Tech, and Nonsense
General => IHADAV8 Playground => Topic started by: Steve Wood on April 03 2022, 10:40:29 PM
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This one is gonna take some work for sure....carb and electrics and who knows what else. One of my friends picked it up for me today in Temple. Now I have to find a trailer and go haul it out here
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What engine and carb is it equipped with? Slide throttle like a motorcycle or a butterfly like a regular small engine? Had it sat with gas in the carb/tank? Kinda hard to check brakes and clutch without it running .
Looks like fun if you can get it going.
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Gy6 150cc. Jason picked it up for me. He said the brakes work. Hydraulic disks both ends. Someone had the carb loose and did not put it back. It's electric start with reverse. Have no clue as to when it last ran but it's been awhile.
The carb is a typical chinese copy and it's a regular carb. New ones cost about the same as rebuild kits. The GY6 is built all over Asia for scooters, karts, etc. This one is pure chinese but all in all, the karts were fairly well built. I suspect this one is from the early 2000's. Seats are gone to hell and they are expensive.
They do sell a Mikuni round slide carb to replace the factory carb.
Parts are readily available for just about any part and it will be expensive but buying one in good condition would be even more expensive, I suspect. I decided this one would fit the bill for a project as the frame is straight and not badly rusted. Jason sent me a bunch of pictures but pics are always deceiving to me...anyway. It came out of Temple.
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Sweet that thing is loaded.
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I wanted one that was originally built over here but even those used the GY6 often. Lots of versions of that engine but they look easy to rebuild to me. I wanted one with reverse. This time of year, karts are getting expensive-junk and all. I missed out on two but I think this one fits the bill. Help to be lucky and don't have to buy major stuff right off the bat but the seats appear to be the worst thing on it and the factory ones are about $175 each and that ain't cheap in my book. The entire engine/transmission is about $800 new but, patching it up should not be too bad.
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That thing got at hemi? :rofl:
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I have a new 212 hemi sitting out in the shop! Surprising how good a reputation the various HF Predators have and there are a lot of parts for them to really kick the hp up.
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Can you swap it easily or does the swing arm on the gy6 make it a pain?
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Most of the better ones that use a rear swing arm and a more conventional engine are built similarly. Should be pretty easy to do. The 212 Predator is probably the most popular swap but there are a lot out there going way on up from there.
As I wanted reverse, I decided to aim for one of the GY6's with a reverse box built in....they actually often have more hp than the 212 Predators out of the box. Ideally, one of the 200 GY6's would have been my preference as some of them are pretty strong. I think they are more like 170-180 actual ccs but I think a big bore kit is available that takes no machine work. Larger does.
This kart is listed around 480 lbs so it's pretty beefy. Approximately 7ft long and 4 1/2' wide. I wanted full suspension due to the rocky terrain. The karts that have basically no suspension, or rear only, are better/safer if you don't have to contend with rocks, imo. Sure are a lot simpler.
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If it has compression and the oil in the crank case isn't diluted with gas I am pretty sure you can have it running in no time.
I pulled my Kemp shredder out on sat. Kohler Magnum 8 powered. Checked the oil, pulled plug and checked for spark. Pulled the carb off mustie1 style and pulled bowl, jets and such and bathed it down in carb cleaner and a good squirt of air. Reassembled and it started on the third pull with some premix gas squirted into the cylinder before securing the plug and wire. Hadn't run in several years. Then the real "fun" commenced shredding up the pile of remnants in the back yard.
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Hoping it just sat and then would not start due to a carb plugged up.
The oil in the crankcase does not look like it is watered down but I would know more when I bring it home. Going to go over to Jason's Saturday morning and haul it back home.
New carb is only slightly more than the rebuild kits so I ordered one along with a plug, filters, etc. If it has spark, it should not take long to see (assuming the electric starter works LOL)
Unless severely abused, these things usually don't get played with long enough to be worn out...but they look easy to work on.
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What is that, Steve? I thought it was the Honda Odyssey but it's blue. I found those things to be very bouncy!
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This one is a TrailMaster 150 XRS. They sell about three different physical sizes and this is one of the larger ones. Basically, all go karts are made in China today and most of them from one factory as I understand it. It's confusing because they often look very similar with just minor changes in bar design and such.
There is another brand called Hammerhead which was an American kart. The company is now owned by Polaris but the kart is made in China and looks very similar to this and many of the parts are interchangeabl e. The Polaris version is a little more upscale in features in some ways, but the kart is about 95% the same as far as I can tell.
Most of them are powered by the GY6 which I think may have originated in Taiwan but is made all over the East now. Originally, they were made for scooters primarily. The one in mine has an internal reverse gear built into it. I don't know what the smallest one is size wise but mine is a 150cc and had about 8.5 hp. This kart was built for offroading and probably topped out a bit over 30 mph but had pretty good climbing ability. CVT transmission and is geared pretty low .
I know they built some that were 200, 250, and 300 cc. I think the 200 was actually 179 cc but they like to round upward. The Honda Grom has a gy6 for power but it may be built in Japan.
I changed engine and transmission oil in mine along with giving it the first grease job of its life as far as I can see. I played with the wiring and seem to have spark but I am not sure if its is strong as it should be. Apparently, it has not run for at least four years from what the prior owner told Jason. In fact, I don't think it ever ran for him if he understood the seller correctly. It has been sitting out in the weather and when I drained the gearbox, I caught the oil in a measuring cup and the first 1/2 cup out was water. I think rain got into the breather.
I measured the compression today and only got 60 psi which is not enuf to run in my experience. I shot some oil into the sparkplug hole and it jumped up to 185 but came right back down after a few cranks and rereadings. It tried to run when I sprayed some ether into the intake but would not really kick off. Had no carb on it at the time so that did not help it air fuelwise, I guess LOL
I guess I will pull the valve cover off and see if the rockers are way loose so that they are not opening. If that does not make a difference, I guess rebuilding it is on my agenda.
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That little hot pink car in the corner needs work too :icon_smile:
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The oldest girl was 12 on the 7th. My son bought that one for her when she was about 5 and she was terrified of it. It would run a short time and then take 18 hours to recharge. It ended up in the corner piled up with another much smaller one. The other day before they came up I was going thru the shop throwing away everything that I could put in the truck and haul away. I started to throw it away because the battery had disappeared it was just taking up space.
I got to thinking of the two smallest kids-especially the three year old who is not afraid of anything. I bought a utility battery and adapted the wiring so it could be connected. It will burn the tires when you give it the "Go" and only takes an hour or two to charge after being used all day.
It did not go unplayed with! Even the 12 year old was throwing a fit because she was not getting to drive HER car. Now I am thinking of putting a 20v drill battery in it. I watched a youtube where a grown man was doing wheelies on that exact same pink car after doing that and he had to put a voltage limiter in it so his kids could drive it. Fisher Price missed the boat on that one.
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Unless you are in a big hurry to pull it apart, I would put some acetone/auto trans fluid in the cylinder and let it soak overnight or a week, to possibly loosen those rings up enough to get it fired off. Running it, I would think, would loosen those rings up. But I'm a cheapskate with more time than money. Even a premix two stoke gas down the plug hole and some into the intake to maybe get it to run a bit and give it some lubrication could help. Amazing what some heat does for stuck metal.
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Nothing ventured, nothing gained. Won't hurt to try. 👍
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I mixed about half a quart of atf in the first oil change for our kart. It’s got a couple hours of run time and due for a change now, and the detergents are working it’s nasty looking.
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I know there are a lot of opinions on oil, but I believe a high quality oil that has zddp in it will make these engines run longer, better, and cleaner. I see quite a few use synthetics. Seems like a good idea to me.
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Jeremy...pour the ATF to it. It's 75 percent detergent. I had a tech teacher in college that ran 50/50...oil and ATF in his mini Cooper. When he pulled it down after a gazillion miles it was crystal clean.
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Diesel works good too.
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Damn, Ron! You must be old! I have not used diesel in oil since I sold my '53 Ford convertible. I used to mix it up and put it in that flat head about once a year and let it run a bit. Damn sure kept the sludge out. I never put toilet paper in the filter tho LOL
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I'm not the oldest guy here but close.
Back when toilet paper was paper you could get away with using it as a filter, the new stuff not so much. The tolerances were looser then also and a little soft debris would just pass through. LOL
Don't they sell something similar now?
But yea soak the cylinders in diesel for a day or 2.
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Age is the race I would prefer not to be in...but being 80, I guess I am a definite contender :D
Well, set the valve lash and still had 60 psi of compression. Did a leak down test and had 80% leak down.
Slight leak out the intake side and did not hear anything out the muffler. Did not hear any air when I pulled the deep stick out. But air was coming out of the top of the head area like crazy. Head is open to the crankcase around the timing chain.
I guess there is nothing to do but pull the head and cylinder to see if it is stuck rings, cracked something, or whatever. Definitely ain't gonna run that way. I did not plan on becoming at Chinese clone mechanic at my age.
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Sounds like time for some upgrades!
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haven't been able to get the pin out of the piston yet..one circlip out but the pin does not want to push out. need to get better light on it and see what is holding it...don't see the other clip...old eyes and poor lighting at the moment. Part of the top edge of the piston is melted off so I guess it was run hard and too lean too long.
Rings look pretty well messed up. Looks like i need piston, rings, and cylinder at a minimum. Piston is pretty badly galled in one spot at least.
I am not really clear as to what big bore kits are available. They are not mentioned too much for the karts. Usually, you can go from 150 to 170 cc just swapping parts but for some reason, I don't see much about it with regard to this kart.
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I'm seeing quite a few options available on amazon, reasonably priced too.
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Prices are reasonable but the reviews make it look like it's a crap shoot. You get a lot of stuff for the money which makes it likely that they are not always the best made products. There are some really good stuff out there for the scooters but I notice it is not guaranteed to fit the Chinese built go karts.
I still have not managed to get the pin out of the old piston. I pulled the circlip out of one side and the pin comes up to the edge but then won't slide out. I don't see a clip on the other side so I must have broke it when I hit on that side without thinking about it sticking down. Looks like the piston crown might be knocked down over the pin hole a bit but it does not seem to be stopping the pin. Looks like I am going to have to dremel it some
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I agree it's a gamble, but it's all chinese shit anyways not like it was high quality from the factory.
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There is some really nice Taiwanese stuff out there but it is not a guaranteed fit altho it should fit.
I think the boost was too high and it detonated.
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They did a good job!
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Explains the 80% leakdown results I got. :D I don't think soaking this piston is going to work.
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Engine restore - 2 v8 cans should do!
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:rock: :cheers: :cheers: :rock:. Worth a try!