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Thread: 86 TRX350A Restoration Reply to Thread
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  Topic Review (Newest First)
08-18-2019 04:24 PM
Goober My brake master cylinder works but the site glass was really powdery and cracked. I found a NOS m/c several years ago for $60 thot I would use it.

Looking better every day
08-18-2019 12:24 AM
GirlsRideToo
Quote:
Originally Posted by Goober View Post
Got my bottle of Total Solutions and ready to try it maybe tomorrow. $35 delivered by Amazon.

Thanks to @GirlsRideToo now did you put a little paint in a dish and brush it over the treated spot or just mask/spray the spots?

I use a brush. I know you can spray it on, I've just never done it.
I use artist brushes from Hobby Lobby. They are not the cheapo hobby brushes, but not that expensive. There are about 20 in a box, in 3 sizes. Yes, it's more time consuming but it lets you reach into tight areas and the solution does not run all over the place. I wait about 5 minutes after I brush a spot then go back over it to "smooth it out" and get rid of any drips. Then, you can sit back and watch the magic happen. Oh, I've also used those sponge brushes for larger areas. Just keep in mind that it takes only a small amount. I work with 1/4 cup at a time. The sponge brush can get too saturated and drip all over the place if you're not careful.
Try not to get it on your hands because it won't wash off easily and takes days to wear off. LOL
Keep me posted on your progress!
08-17-2019 07:38 AM
Goober Got my bottle of Total Solutions and ready to try it maybe tomorrow. $35 delivered by Amazon.

Thanks to @GirlsRideToo now did you put a little paint in a dish and brush it over the treated spot or just mask/spray the spots?
07-29-2019 08:13 AM
shadetree
Quote:
Originally Posted by Goober View Post
Oh the right front forward brake wheel cylinder keeps blowing fluid past the seal.

I have a left front wheel cylinder so I borrowed the piston out of it
ah..brain fart..I thought you was talking piston for jug ?, sorry..been working lots of hours on my cabin, one sec you was talking about a piston, then next brakes, anyway..chances are..the bore in the wheel cylinder is bad, have a look inside the bore, see if its pitted ?, the seal can be bad as well ?.
07-28-2019 10:13 PM
Goober Oh the right front forward brake wheel cylinder keeps blowing fluid past the seal.

I have a left front wheel cylinder so I borrowed the piston out of it
07-28-2019 09:43 PM
shadetree
Quote:
Originally Posted by Goober View Post
Bummer my new piston didnít hold either, so it must be the new piston cup or the cylinder housing. Dang everything looks clean except the old piston

Iím going to try a new piston cup, just in case the seal on the new piston has been compressed too long.
I have noooooooo idea what your calling piston cup ??, or seal ?. did you mic the cylinder ?, was the cylinder bored over ?, or did you just try a hone with a new piston installed in the jug ?. you can't do this !. any time you install a new piston ?, its always best to bore the cylinder so its straight and true, and then install a new piston kit. did you check the connecting rod for any play ?, wrist pin play ?.
07-28-2019 03:29 PM
Goober Bummer my new piston didn’t hold either, so it must be the new piston cup or the cylinder housing. Dang everything looks clean except the old piston

I’m going to try a new piston cup, just in case the seal on the new piston has been compressed too long.
07-28-2019 08:38 AM
Goober Front end of harness starting on right inner fender are connectors for the 6-wire ignition switch subharness, the 2 pink and green accessory subharness, the white plug with black/white stripe wire hooks to the starter switch harness, the red plug hooks to the dash display subharness, there’s the RF sublight wires and finally the two CDI connectors (2p and 4p).

On the left side you’ll see the two coil wires and 2 fan wires, the 6 Fan Control Unit wires and lastly the 2 LF sublight wires
07-28-2019 08:26 AM
Goober Main harness layout–as you can see @mattholmes134 there’s not a lot to the main harness on the 86-87 Fourtrax.

Starting at the back end you’ll see the 2 tail-light connectors and another connector wrapped in blue tape–controlled by the light switch.

Next you’ll see the 2 starter solenoid wires and the fuse panel connector

Then the fuel relay and voltage reg/reg connectors

Next is the main ground, change switch subharness and stator connectors.

Lastly midway on the harness are the two fuel pump connectors
07-28-2019 07:58 AM
Goober Again for @mattholmes134
Fuel pump may be badĖvery common with quad that set for a long timeĖwater rusts it.

Anyway the 2 wires plug into the main harness just above. Check they are installed correctly and perform the jumper wire test by accessing the pump relay in the box under the right rear fender.

Your pump should buzz not chatter. If it leaks stop immediately. Only buy the OEM pump; yes itís ~$150.
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