450R Front End Conversion for TRX250R
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This is a run through of the parts involved in converting a TRX250R over to a TRX450R front end. Basically, you just buy the 450R parts and bolt it up.
Mistakes I made in the video:
I said the offset from the wheel to the hub is the same, mean to the ball joints
I said nothing of the 450R is interchangeable, the brake rotors are the same for the 250R, 400EX, and 450R.
When I did this, Honda was charging only $45 per brake caliper. The whole conversion set me back about $550 because I bought each bolt and washer new. Also, the hubs were pricey, being the same as an aftermarket set. Now the hubs are dirt cheap but everything else is expensive, so maybe it's only a little more to do now.
Good luck, and keep this 250R's running!
Пікірлер: 21
Great Vid, Buddy!
@screamingdemon My current setup is 4-1 wheels on Laeger +1 arms. From pictures, it looks like the Lonestar could be wider on top, however this is the first I've heard of any fit issues.
I have the 400ex conversions on my two 250Rs, and the 400ex brakes are inferior, they're only single piston calipers, the 400ex spindles are aluminum though. I run the 400ex calipers on one of my Rs, the other has the caliper adapters so I can use dual piston 250R calipers. great vids BTW, keep em coming.
your right about the XC race conversion but service Honda knew this and increased the prices because of the results and popularity
@bigt185 I'm pretty sure I bought BOTH of those part numbers back in '04 and '05.
can you do the 450r brake calibers on the 250r hubs without having to do the 450r hubs?my 250r has a bad left front caliber . its dragging and was going over some options . its been over 10 years since i fooled with it so I'm rusty lol
What offset are you running on your wheels? I did this swap and with the stock wheels the inside of the wheel rubs my upper a-arm before it hits the stopper. I'm running Lonestar +2+1 sport arms with 04 450r brakes...thanks!
Can you run 06 Honda trx450r a arms with 05 Honda trx450r hub and spindles
@rustyATV
4 жыл бұрын
I believe 06 arms are different lengths and it'll hose the geometry.
Do you know if 450r rear hubs will work on the 88 250r?
@rustyATV
9 жыл бұрын
I do not. I seem to recall the splines are different, but I've never checked myself
@gbaby22112 None of the 250R or 400EX hubs fit the 450R spindles. You have to get the 450R hubs. Fortunately, these dropped in price so you might check servicehondadotcom and see what they're running for. I believe the brake rotors are all the same for the 250R, 400EX, and 450R, BUT, the BOLTS that hold the brake rotors to the hubs are different on the 450R vs the 250R. Good luck!
@conniestevenson226
2 жыл бұрын
86 87 rotors are different.they have 4 6mm bolts instead of 3 8mm bolts
@hmftrx300ex Yes, the 450R calipers are dual piston. Sorry for not replying sooner!
Could you do this conversion on a 400EX maybe?
@rustyATV
9 жыл бұрын
I would imagine so. The later 250R and 400EX use the same hubs, and the ball joints are all the same between the 250R, 450R, and 400EX. But if you're looking for better brakes, cost out a set of YFZ450 calipers. I seem to recall they bolt right to the 400EX calipers and might be cheaper/easier to get than a 450R setup. I'm planning on that if I ever get back to my hybrid project.
@camtv98
9 жыл бұрын
Ok thanks for the reply man and I might try the YFZ brakes but idk I rode a buddy's trx450R and the steering was a huge difference compared to my 400EX's
will 250r calipers fit 450 spindles
@conniestevenson226
2 жыл бұрын
No
are the calipers dual piston?
@conniestevenson226
2 жыл бұрын
Yea