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9 Posts
As mentioned in my introduction thread, I recently picked up a 92 Fourtrax TRX300 FW in pretty rough shape. It only set me back $300, but it's going to need a lot of TLC before it's ready to ride again. My plan is to disassemble any parts that are worn/broken and rebuild it as close to new as I can manage with some common upgrades along the way. I've obtained a copy of the Honda service manual, and it seems very comprehensive.
Here it is as it sits this morning. I haven't really started tearing into it yet, but I've already uncovered some obvious issues.
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The front left CV is completely busted where it connects to the knuckle. The end of the shaft just rattles around in there.
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The rear right wheel bearing is completely shot. I jacked it up and wiggles like mad. All the others seem OK, but I'll replace them anyway. When inspecting the rest of the rear end, I noticed what looks to me like a PO had welded the hubs to the axle. The weld on the left looks intact but the one on the right is broken. I haven't tried taking them off yet, but I assume that's going to mean I'll be shopping for a new rear axle...
Left side:
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Right side:
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As far as the engine and fuel systems go, the PO mentioned he'd replaced the rings on the piston but that he still had trouble getting it to run properly. He's allegedly a diesel generator mechanic by trade, so I assume he knew what he was doing, but then again you never know. I haven't tried starting it yet myself.
I took the tank off before I even loaded it in my truck because it was missing both the rubber mounts and the lower mounting plate that sits above the carb. I've ordered replacements for both, but I'm still waiting on the plate.
With the tank off and the plate missing, I could see that the carb didn't appear to be stock. It's labeled a Mikuni and doesn't look like the ones in the service manual, but I don't have any good pictures of it at present.
I did a compression test, but I've since learned that I did it improperly. I'd done it with the engine cold, just using the starter motor and didn't have the throttle open. It only read 135 PSI. Now that I can mount the tank I'll try firing it up and see how it goes.
Here it is as it sits this morning. I haven't really started tearing into it yet, but I've already uncovered some obvious issues.
The front left CV is completely busted where it connects to the knuckle. The end of the shaft just rattles around in there.
The rear right wheel bearing is completely shot. I jacked it up and wiggles like mad. All the others seem OK, but I'll replace them anyway. When inspecting the rest of the rear end, I noticed what looks to me like a PO had welded the hubs to the axle. The weld on the left looks intact but the one on the right is broken. I haven't tried taking them off yet, but I assume that's going to mean I'll be shopping for a new rear axle...
Left side:
Right side:
As far as the engine and fuel systems go, the PO mentioned he'd replaced the rings on the piston but that he still had trouble getting it to run properly. He's allegedly a diesel generator mechanic by trade, so I assume he knew what he was doing, but then again you never know. I haven't tried starting it yet myself.
I took the tank off before I even loaded it in my truck because it was missing both the rubber mounts and the lower mounting plate that sits above the carb. I've ordered replacements for both, but I'm still waiting on the plate.
With the tank off and the plate missing, I could see that the carb didn't appear to be stock. It's labeled a Mikuni and doesn't look like the ones in the service manual, but I don't have any good pictures of it at present.
I did a compression test, but I've since learned that I did it improperly. I'd done it with the engine cold, just using the starter motor and didn't have the throttle open. It only read 135 PSI. Now that I can mount the tank I'll try firing it up and see how it goes.
