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JR_TRX

92 300 TRXFW Central FL

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Posted (edited)

I wanted to say thanks to all the info on the 90’s 300’s in here. These forums were a tremendous help. Brought one back from neglect. First time doing anything like this. Took my time. Frustration. Patience. Frustration. Slow. Pretty much in that order. I had Polaris’ growing up but never gave them this attention. Haven’t had a wheeler in 15 years. 

 

What was done to the ole girl-

Carb rebuild

Piston rings

Valves-new and lapped

Rockers spaced

All gaskets and seals for top end

Front brakes-me no like drum brakes

Ball joints

Front bearings

New CV’s

Wire wheeled A arms and painted

Wire wheeled bumper and racks and painted

Tire rods

Front diff was seemingly in good shape

CDI and coil

New ignition

Had to get the red R button on the reverse lever

New vent lines all around

Rear brake delete

Double bearings in the rear backing brake

Rear backing brake shaved down

Wire wheeled the axle

New nuts all around on the axle

New seals in the rear diff-the bearings were seemingly ok-scared of the needle bearing in the diff

Grease zerk in the axle holder 

Just synced up the throttle play, throttle screw and idle screw today.

Lots of cleaning-lots of wire wheeling bolts

And of course basic maintenance-spark plug, lubes, air filter and anti-seize and loctite where needed.

 

She purrrrrrs. I don’t have the tally on the total money yet. I’m pretty stoked tho. First ride about an hour ago.

 

Think I’m addicted to the resilience of the 300’s. Think I’m addicted to the 300’s period.

Edited by JR_TRX
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Well your just going to tease us , show and tell 

 

 

 

 

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11 minutes ago, Fishfiles said:

Well your just going to tease us , show and tell 

 

 

 

 

Man I rode it without the front plastics and racks. Give me a day or so. 

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5 minutes ago, SeekanDestroy said:

Wait a other floridian????

 

 

Born and bread!

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3 minutes ago, SeekanDestroy said:

Same here im near tampa area.

Daytona area. Volusia county. 

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5 hours ago, JR_TRX said:

Think I’m addicted to the resilience of the 300’s. Think I’m addicted to the 300’s period.

 

congrats on the rebuild, thats not a bad addiction to have. lol! 

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On 8/6/2021 at 7:31 PM, JR_TRX said:

Man I rode it without the front plastics and racks. Give me a day or so. 

Timing chain needs replaced. I didn’t know what I was listening for til it was back together. 

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JrTRX, that's nice !!! 

 

Do you know how to check that timing chain ?

 

Unbolt the adjuster from the jug , it will spring out if in good condition , then try to push it back into the jug , if the gap between the adjuster and the jug is less than about 1/4 inch the chain is streathed and needs replacing ----  did you adjust the valves ?? 

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Posted (edited)
36 minutes ago, Fishfiles said:

JrTRX, that's nice !!! 

 

Do you know how to check that timing chain ?

 

Unbolt the adjuster from the jug , it will spring out if in good condition , then try to push it back into the jug , if the gap between the adjuster and the jug is less than about 1/4 inch the chain is streathed and needs replacing ----  did you adjust the valves ?? 

Thanks

 

I got about 1/4 inch on the adjuster but I can hear it rattling and yes, the valves are spaced .006. I had to go back in a readjust after the first run. I can remember how the chain folded vs curls when I was in the top end but didn’t know any better. I was too worried about the piston, valves etc and never looked up any info on the chain.

Edited by JR_TRX

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4 minutes ago, JR_TRX said:

Thanks

 

I got about 1/4 inch on the adjuster but I can hear it rattling and yes, the valves are spaced .006. I had to go back in a readjust after the first run. I can remember how the chain folded vs curls when I was in the top end but didn’t know any better. I was too worried about the piston, valves etc and never looked up any info on the chain.

1/4inch is about time to do the timing chain , DID is what OEM is and  the best chain you can get , you can go for the 250ES or 250 fourtrax chain as it is heavier duty , like  7 side plates as opposed to 5 on the 300  ,  you can run the heavier duty chain on the stock 300 sprocket , the 250 sprocket is heavier duty , but to find one new is impossible 

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Nice! Thanks for that. So a 250ex or 250trx OEM chain correct? 

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Posted (edited)

@JR_TRX
You might find this helpful if you have not taken a trx300 right side crankcase apart before.
Wrote it up specifically to assist others for timing chain replacements 🙂  

I had to do mine recently myself also, except mine was worn down to about only 3/16 of an inch of gap (SUPER WORN)

Hope it helps you with yours! 
 

 

Edited by Orvis25
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9 hours ago, JR_TRX said:

Nice! Thanks for that. So a 250ex or 250trx OEM chain correct? 

Not the 250ex ---  use the TRX250A Fourtrax 1985-1987 or the ATC250ES 1985-1987 

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Posted (edited)

Some progress on the wheeler. My wife named her Renda. 1.5 spacers on the rear. 18’ stock rubicon wheels and tires. Still need to do the timing chain. Waiting on the gasket. Really need to do an oil cooler mod. Most likely with a fan. Hot in FL…

image.jpg

Edited by JR_TRX
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