'86 TRX350 4x4 - Honda Foreman Forums : Rubicon, Rincon, Rancher and Recon Forum
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post #1 of 4 (permalink) Old 03-16-2011, 03:28 PM Thread Starter
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'86 TRX350 4x4

Hello all. I came into a 1986 Honda Fourtrax TRX350 4x4. Thought I'd find some experts who wouldn't mind helping me along.

It does crank and run but it is missing every single body piece except for one small one on the side, and none of the brakes work. Since I bought it I found a complete body off another Honda. It came with a front rack, but there is no fuel gauge so I'm guessing it is not from a Fourman. I have yet to hang the replacement body. First I wanted to repair the brakes.

With a great deal of effort spent trying to save it, I ended up cutting the rear axle shaft (not housing) in a couple pieces and drove it out of the backing plate. This was a last effort to save the brake drum, which failed, but I was able to save the backing plate which is the harder part to find in my experience. Found a used replacement axle and drum. Currently trying to remove the brake shoes and save the pins they rotate on...they are frozen on there. Anybody know a good way to seperate aluminum when it is frozen on a steel pin? I'm thinking of putting it in the freezer and then throwing heat at it in hopes it will expand faster then the steel and effectivly 'let go'. I need to purchase a set of new rear brake shoes. Once I get that sorted out I'll have a rear brake. I also found & purchased a used but servicable rear brake cable with pedal. I need to see if I can save the two right rear axle bearings and install them on the replacement axle shaft. I have a friend with a press, so I'll see if I can get them off the axle without damaging them. I'm trying to save a dollar where I can, but if they can't be saved I will buy new. The front brake master cylinder housing has deteriorated and is not salvagable. I bought a new universal unit that looks very similar to the orginal; haven't installed it yet. The front brakes did work with pumping (the old master cylinder would hold a 'little' fluid, most leaked out), so I'm hoping I'll be able to disassemble and clean them without a great deal of trouble, unlike the rear.

Right after I bought it (the next day) the fan quit spinning. I tested the fan and it does work so I'm guessing the CDI box is failing to engage it maybe? Do these things have a thermostat? If so, where can I find it? If that is bad, I'd rather replace it and have it function correctly then to by-pass the CDI box and have the fan run anytime the key is on; that is plan B.

A friend gave me some wide bar tires that I want to use on the rear. Currently on the rear are two new tires the previous owner installed, fronts are bald. I'm going to move the new rear tires to the front (they are the same size front and rear, I hope that is correct) and find some rims that will fit the bar tires to mount them on the rear. Need to find a couple rims for the rear and would prefer some steel, used rims. I'll have to double check, but I believe the bar tires are 12".

This poor little machine has been used and abused...hard. It still starts and runs which impresses me very much. I intend to put it back together right and sentence it to a life of ease, using it around our pasture performing light duties, and some light trail riding now and again. I know these things are more little tractors then ATV with their solid front axle, and this is just what the wife and I need around the barn.

Here is what I need to figure out:

Where in the world can I find some *affordable* new rear brake shoes? I find them for $42 + shipping, and I'll pay that if that is the going rate, but it seems kind of high to me. Am I just being too cheap??

Do you know of a good source for cheap used rims? Some friends of mine that have been around ATVs for a while said 12" rims are hard to come by. The need to be kind of wide too; I'll measure the bar tires again.

Is there a thermostat that controls the fan, or is by-passing the CDI box my only 'cheap' option (don't want to replace the CDI box if I don't have to)? I have a Honda (basic) repair manual and it is the one that states the CDI box can be by-passed, but it doesn't mention a thermo switch.

I know, I'm trying to be cheap, but I will spend the coin to do things correctly when need be. I just look for affordable, acceptable alternative repairs when it will save a dollar but not detract from function and safety. I apologize for such a long post and I appreciate any input you guys have to offer.

Thanks again,
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post #2 of 4 (permalink) Old 03-16-2011, 03:41 PM
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you are correct it is not a Foreman. you can find 12in rims easy about all Honda are i think 4 110 and so is that one. you go with 12in rims you can do a disc brake kit for the front. 42 for shoes does seam a little high, and I'm not sure I where to get them from fright now. I'm not sure about the thermostat or CDI box sorry I could not help you that much I'm sure there are other that can and will help you out.

Swamp Fox Mudding Always getting Dirty
99 Foreman 450 ES
Mods: 28 SwampFox plus, H.L. Disc brake, Viper 4,500 Winch w/synthetic line, H.L.
Clutch kit, K&N Power Kit, H.L. Pull Starter Leak Shield, Mudslinger Exhaust, Wide Open lift shocks, DGL #1, 14.5 GR, Poor Boy Suspension, Warn 424 Select, Homemade Snorkel, 2.5in Wheel Spacers.
Future Mods: Modify poorboy to work like IRS, Extend front A-arm with Gorilla or Turner axles, disc brake for rear.

87 Foreman 350D
Getting a few mods done.
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post #3 of 4 (permalink) Old 03-16-2011, 04:14 PM Thread Starter
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Front disc would be nice. Possible a future mod.

Maybe my memory is wrong about the bar tires being 12" rims. I'll double check soon and get back with the information.

BTW, after reading my post I wasn't happy with it and wanted to edit it for readability. I got a message that I'm not allowed to edit a post after ten minutes had passed from when it was originally posted. Is there an admin that can help me with this? It is an interesting feature that I've never ran into before in forums. I imagine it cuts down on he-said-she-said situations? If that is the reason for it, I find that surprising as all the threads I've read on here thus far seem very friendly (unlike some other forums I'm a member of ).
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post #4 of 4 (permalink) Old 03-18-2011, 08:09 PM Thread Starter
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Checked the tires. The new tires are 24x9-11. I'm pretty sure they are the correct size for the '86 Fourtrax both front and rear. The bar tires are 26x12-12. They are sized 2" larger then the ATV tires, but the bar tires are flat across the face where the ATV tires have the typical convex face. This brings the tires to being the same height. Measuring from one bead to the other on the bar tire is 8.5", so an 8" wide rim should suffice.

This is my first ATV, so it is true to say I know nothing about them. Does anybody have a pair of rims to fit this thing, is this something I should be able to find in a local motorcycle/atv yard, or would my time and money be better spent buying a couple of new rims? If the latter is a good choice, what is a reasonable price for a steel rim?

Any help is appreciated.

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