Trx 250 1987 drum to disc conversion - Honda TRX Forum
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post #1 of 3 Old 11-06-2019, 08:43 AM Thread Starter
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Trx 250 1987 drum to disc conversion

Anyone know if it’s possible to replace the knuckle and drum on a trx 250 1987 with a new disc brake set up?

The ms and the cylinders are cactus and the drum housing itself is fairly cracked from someone trying to prize it off with something. It looks like to rebuild the original brakes and knuckle is going to be a nightmare as all the seals, grease nipples, bolts, backing plate, cylinders, drum housing, shoes and spring, the lot are beyond hope. At the moment I’ve just had to remove everything and I’m running rear brakes only.

What makes it harder is I can’t find a vin number anywhere on the frame, so I’m not sure if I’m ordering the right parts. I’ve rebuilt the carby and the thing fair hooks through the bush but with rear brakes only and some pretty aggressive bear claws on the back it’s only a matter of time before I get thrown. Any insight would be appreciated.
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post #2 of 3 Old 11-07-2019, 02:06 AM
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To convert to disk brakes would exceed the value of the machine and 90% of all parts have been discontinued. Get rid of it and put the money toward a newer one unless you are using it as a learning project. You will need a torch, body grinder, welder and a similar quad with disk brakes to make the conversion.
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post #3 of 3 Old 11-07-2019, 11:40 AM Thread Starter
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I reckon I can replace them I’ve spoken to a guy at the local steering brake and clutch place. Who reckons we can fit whole new drum setup from a cheaper Chinese bike that won’t cost to much. Yeah I don’t really want to invest to much time and money on an old bike, just want to make it as safe as possible. The motor is strong and still has a few years left in it, so it’ll get me by until I can scrape together some cash to upgrade. Most of my spare cash usually goes on the kids bikes
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