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Forum: Photo Gallery & Project Log 06-28-2019, 03:33 PM
Replies: 7
Views: 407
Posted By big-d
There are several things wrong with this steering...

There are several things wrong with this steering setup. Some of them will not be noticed on an offroad kart like this. As mentioned already, You want the max turn of the steering shaft closely...
Forum: Photo Gallery & Project Log 11-22-2017, 06:07 PM
Replies: 76
Views: 9,228
Posted By big-d
I removed the governor and it doesn’t seem to rev...

I removed the governor and it doesn’t seem to rev any higher then before. It is running on the rich side for the main jet. Could the 6 to 1 gear ratio be making the engine work too hard pushing the...
Forum: Photo Gallery & Project Log 11-22-2017, 06:00 PM
Replies: 76
Views: 9,228
Posted By big-d
I picked up a pipe and muffler from a 450 dirt...

I picked up a pipe and muffler from a 450 dirt bike. A couple cuts and splices with part of an old UTV exhaust pipe and it is much quieter. It bogs a bit down low still. But the kids have been having...
Forum: Engines & Clutches 07-29-2017, 11:46 PM
Replies: 10
Views: 817
Posted By big-d
The engine runs great! I made a quick adapter for...

The engine runs great! I made a quick adapter for the Honda ATC carb (I am probably going to cut the tube off the adapter and use a shorter one that angles it a little further from the exhaust).

I...
Forum: Go Kart Discussion 07-29-2017, 10:45 PM
Replies: 10
Views: 701
Posted By big-d
You should look up how the belt tensioner system...

You should look up how the belt tensioner system works on riding lawn mowers. There is one for the mower blade engagement and a seperate one for the drive system.
Forum: Photo Gallery & Project Log 07-29-2017, 10:03 PM
Replies: 76
Views: 9,228
Posted By big-d
I am pretty sure most of my neighborhood is mad...

I am pretty sure most of my neighborhood is mad at me now:o. An ungoverned 409cc flathead definately needs a muffler... The temporary exhaust is 2 rigid pipe 90 degree bends with a coupler connecting...
Forum: Photo Gallery & Project Log 07-29-2017, 09:24 PM
Replies: 36
Views: 3,146
Posted By big-d
I love projects like this. Good call on the front...

I love projects like this. Good call on the front tires too.
Forum: Did not Finish Logs 07-29-2017, 02:32 PM
Replies: 60
Views: 9,856
Posted By big-d
This is what I was picturing in my mind. ...

This is what I was picturing in my mind.

The green bar is the new trailer tongue. The white circle at the front of the green bar is the Heim. The red line is the front half of the hitch that...
Forum: Did not Finish Logs 07-29-2017, 02:04 PM
Replies: 60
Views: 9,856
Posted By big-d
Good job! Getting in there and doing it is how...

Good job! Getting in there and doing it is how you learn. I built a bicycle trailer for my oldest son and used an air hose quick connect fitting as the "hitch" with a short piece of hose so it could...
Forum: Engines & Clutches 07-28-2017, 10:51 PM
Replies: 10
Views: 817
Posted By big-d
With an intake port size of 1.125 inches. That...

With an intake port size of 1.125 inches. That converts over to 28.5mm.

Should I try a carb around 26mm?

That happens to be the size of a honda 200X ATC carb. I have one on an ATC already...
Forum: Engines & Clutches 07-28-2017, 09:43 PM
Replies: 10
Views: 817
Posted By big-d
I took it apart just to find out the noise was...

I took it apart just to find out the noise was the crank case breather (the flapper inside the cover over the valve spring pocket) I did not have the hose attached to it that goes to the carb. Once I...
Forum: Photo Gallery & Project Log 07-28-2017, 08:49 PM
Replies: 76
Views: 9,228
Posted By big-d
Working out some engine issues right now....

Working out some engine issues right now. Hopefully test driving soon. The front end has the wrong shocks on it. It should be sitting a couple inches higher then it is right now.
Forum: Engines & Clutches 07-28-2017, 08:45 PM
Replies: 10
Views: 817
Posted By big-d
The intake port is 1 & 1/8". The horizontal bolt...

The intake port is 1 & 1/8". The horizontal bolt pattern is 1 & 11/16" and the diagonal one is 1 & 7/8".

I will probably have to use an adapter for it anyways since the intake port is really...
Forum: Engines & Clutches 07-28-2017, 05:02 PM
Replies: 21
Views: 3,762
Posted By big-d
Again, these were detailed a little more after...

Again, these were detailed a little more after the pics were taken.
Forum: Engines & Clutches 07-28-2017, 04:58 PM
Replies: 21
Views: 3,762
Posted By big-d
If this does not belong here because it is not...

If this does not belong here because it is not really "Head Porting" feel free to delete.

Here is an 11hp flat head briggs and stratton engine I cleaned up the ports on. (just knocked down the...
Forum: Engines & Clutches 07-28-2017, 03:27 PM
Replies: 10
Views: 817
Posted By big-d
Well, it kinda runs. More on that in a minute. I...

Well, it kinda runs. More on that in a minute. I put it all together and it fired right up. It took a few attempts to get the float adjusted so it wouldn't overflow the bowl or leave it empty. The...
Forum: Engines & Clutches 07-26-2017, 07:25 PM
Replies: 10
Views: 817
Posted By big-d
Here is a pic of the outer case to show how deep...

Here is a pic of the outer case to show how deep those counter weights (syncros) are.
Forum: Engines & Clutches 07-26-2017, 07:09 PM
Replies: 10
Views: 817
Posted By big-d
Behind those bolts, there is a small hole drilled...

Behind those bolts, there is a small hole drilled into the counter weights about 1/4" deep. It lines up with the roll pin visible from the inside of the case. It looks like the roll pin is what...
Forum: Photo Gallery & Project Log 07-26-2017, 06:52 PM
Replies: 76
Views: 9,228
Posted By big-d
full turn both directions

full turn both directions
Forum: Photo Gallery & Project Log 07-26-2017, 06:50 PM
Replies: 76
Views: 9,228
Posted By big-d
pics as promised

Custom steering I made for the Yamaha Blaster front suspension I grafted on. Proper Ackerman, no bump steer and minimal toe change through suspension travel. It came out pretty good considering I...
Forum: Photo Gallery & Project Log 07-26-2017, 01:39 AM
Replies: 76
Views: 9,228
Posted By big-d
I dug this kart out of the garage this weekend. I...

I dug this kart out of the garage this weekend. I am working on setting up the steering for the modified Yamaha blaster front suspension I grafted onto it. I am also in the process of rebuilding the...
Forum: Engines & Clutches 07-25-2017, 04:20 PM
Replies: 10
Views: 817
Posted By big-d
The bolts are marked here...

The bolts are marked here...
Forum: Engines & Clutches 07-25-2017, 04:13 PM
Replies: 10
Views: 817
Posted By big-d
Rebuild/mods to B&S 11hp syncro-balanced I/C engine

I am rebuilding an 11hp Briggs and Stratton engine for one of my kids karts. This engine is getting shaved eyebrow, cleaning up the ports, lapping valves, new rings, exhaust and possibly a different...
Forum: Go Kart Discussion 07-25-2017, 12:12 AM
Replies: 8
Views: 893
Posted By big-d
Let me back up a little. I always assume off road...

Let me back up a little. I always assume off road use (I have an off road racing background). If it is a street only machine, or light trail use, it won't need near as much upgrading. Stock...
Forum: Go Kart Discussion 07-24-2017, 10:21 PM
Replies: 8
Views: 893
Posted By big-d
I like the idea! As long as you are not replacing...

I like the idea! As long as you are not replacing the suspension with stock replacement parts. In a project like this, the engine is usually the cheap/easy part. Not saying that it is cheap or...
Showing results 1 to 25 of 137

 

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