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Honda RS250 (NX5) Front sprocket 16T used
Honda RS250 (NX5) Front sprocket 16T used
: $10.00

Nice used NX5 front sprocket.  16-tooth more info
Honda RS250 (NX5) Front sprocket 16T used
Honda RS250 (NX5) Front sprocket 16T used
: $10.00

Nice used NX5 front sprocket.  16-tooth more info
Honda RS250 (NX5) Front sprocket 17T used
Honda RS250 (NX5) Front sprocket 17T used
: $10.00

Nice used NX5 front sprocket. 17-tooth
Minor surface rust on back of sprocket.
more info
Honda RS250 (NX5) Front sprocket 16T used
Honda RS250 (NX5) Front sprocket 16T used
: $10.00

Nice used NX5 front sprocket.  16-tooth more info
Honda RS250 (NX5) ECU '96 used
Honda RS250 (NX5) ECU '96 used
: $20.00

Used ECU for Honda RS250. Condition unknown (no way to test it). Marked '96 BAD on metal casing, so I assume it doesn't work. But as I've never spoken to the mechanic that owned this lot of spares, I cannot confirm. Assume it doesn't and it's good only for a display bike.
30400-NX5-701
more info
Honda RS250 (NX5) Front sprockets 15-18T used
Honda RS250 (NX5) Front sprockets 15-18T used
: $40.00

Nice used NX5 front sprockets. 15-18 tooth.
Sold as collection only.
more info
Honda RS250 (NX5) Head new condition
Honda RS250 (NX5) Head new condition
: $45.00

Cylinder head for Honda RS250. New, but not in original packaging.  Market E-2. more info
Honda RS250 (NX5) Head used
Honda RS250 (NX5) Head used
: $45.00

Cylinder head for Honda RS250. Very good condition.  Market E-2. more info
Honda RS250 (NX5) Head used
Honda RS250 (NX5) Head used
: $45.00

Cylinder head for Honda RS250. Nearly new condition.  Looks like it may have 1 heat cycle on it.  Market E-2. more info
Honda RS250 (NX5) rear sprockets - used
Honda RS250 (NX5) rear sprockets - used
: $50.00

Honda RS250 rear sprockets. Sizes 34-37 tooth. All are in great shape with lots of life left. They are Renthal brand.
Sold as a set only.
more info
Honda RS250 (NX5) Heads (pair) used
Honda RS250 (NX5) Heads (pair) used
: $60.00

Cylinder heads for Honda RS250. Dirty, but good condition. Market E-2. more info
Honda RS250 (NX5) Heads (pair) used
Honda RS250 (NX5) Heads (pair) used
: $80.00

Cylinder heads for Honda RS250. Very good condition. Market E-1. more info
Tire Warmers Tyr Sox used
Tire Warmers Tyr Sox used
: $120.00

Good used Tyr Sox warmers and covers.  Minor burn on front warmer, but doesn't seem to effect the performance.  Fit TZ250, RS250 and possibly others. more info
Honda RS250 (NX5) cylinder - used
Honda RS250 (NX5) cylinder - used
: $150.00

Used Honda RS250 cylinder. Needs to be replated. Det ring installed. Has had some minor 'sharpening' of the exhaust bridge. more info
Honda RS250 (NX5) cylinders - used
Honda RS250 (NX5) cylinders - used
: $150.00

Used Honda RS250 cylinders. Needs to be replated.  Lightly ported. more info
Honda RS250 (NX5) cylinders - used
Honda RS250 (NX5) cylinders - used
: $150.00

Used Honda RS250 cylinders. Needs to be replated. more info
Honda RS250 (NX5) ECU '93 used
Honda RS250 (NX5) ECU '93 used
: $150.00

Used ECU for Honda RS250. Condition unknown (no way to test it). Marked '93 on metal casing.
30400-NX5-003
more info
Honda RS250 (NX5) ECU '95 used
Honda RS250 (NX5) ECU '95 used
: $150.00

Used ECU for Honda RS250. Condition unknown (no way to test it). Marked '95 (rpm) on metal casing.
30400-NX5-701
more info
Used Honda RS250 31420-NF5-761 assy
Used Honda RS250 31420-NF5-761 assy
: $150.00

Nice condition servo motor and pully assembly.  Used and no way to check if it works.  But it's very clean condition and has no crash damage. more info
Honda RS250 NX5 OEM exhaust
Honda RS250 NX5 OEM exhaust
: $199.00

Pipes from I believe a '94 Honda RS250.  They have surface rust and one has a hole drilled for a temp gauge.  With a little welding to fill that hole and some paint, would make a good set for crash spares. more info
Honda RS250 (NX5) Tachometer used
Honda RS250 (NX5) Tachometer used
: $225.00

Good used tachometer for Honda RS250.  Has minor crash damage with a little dent on the beauty ring, and could use a new piece of glass.  Was carefully wrapped in spares, so I can only assume that it's in good working order. more info
Honda RS250 (NX5) cylinder - used
Honda RS250 (NX5) cylinder - used
: $299.00

Used Honda RS250 cylinder/head/power valve and shaft/exhaust manifold.

Dirty but will clean up nicely. Very light bridge sharpening. Don't think it will need replating, but I can't guarantee that without a full tear down.
more info
Honda RS250 NX5 Stainless Steel exhaust
Honda RS250 NX5 Stainless Steel exhaust
: $300.00

Stainless Steel exhaust for NX5 Honda RS250.  One pipe is in excellent condition and the other has had some repair as evident in the picture.  You'd never see the repair behind the bodywork.  Would make for an excellent set of race spares. more info
Honda RS250 (NX5) Subframe used
Honda RS250 (NX5) Subframe used
: $350.00

Good used subframe for Honda RS250. Believe it fits the earlier models without the ram air fuel tanks.
Appears to be pretty straight and usable. Lightened.
more info
Honda RS250 NX5 OEM exhaust
Honda RS250 NX5 OEM exhaust
: $350.00

Original OEM pipes from I believe a '94 Honda RS250.  They have surface rust, but overall very good usable condition.  Excellent set for crash spares. more info
Honda RS250 NX5 OEM exhaust
Honda RS250 NX5 OEM exhaust
: $450.00

Original OEM pipes from I believe a '95 Honda RS250.  They have surface rust, but overall very good usable condition.  Excellent set for crash spares. more info
Computech RaceAir Pro
Computech RaceAir Pro
: $450.00

Like new Computech RaceAir Pro portable air station and jetting tool. Get a baseline setting, and then never need to guess at main jet ever again. Just sample the air at whatever track you are visiting, and it will calculate what main jet will work best. Super simple to use and maximized horsepower every time.

Summer '19 had this unit checked, updated, and calibrated by Computech. It's 100% ready to go and like new for hundreds less.
more info
Used Honda RS250 (NX5) Radiator
Used Honda RS250 (NX5) Radiator
: $499.00

Used radiator. I've seen alot worse, but this does have some battle scars. Easily repairable at any good radiator shop.

1/5 the cost of replicas.
more info
Honda RS250 (NXA) cylinders (pair) - used
Honda RS250 (NXA) cylinders (pair) - used
: $599.00

Used Honda RS250 NXA cylinders. Both have light siezure damage. One looks like it could be repaired with a work and muriatic acid. The other will likely need to be replated. The former has very minor port cleanup and the other looks completely untouched.
more info
Vertex Pistons lot of 8
Vertex Pistons lot of 8
: $599.00

Vertex pistons. New in the box with ring, pin, and clips.
Came with a bike I purchased and don't sell these anymore.

Sold in a lot of 8 pistons.
Model 23105A --- 53.94mm
more info
Honda RS250 (NX5) cylinders (pair) - used
Honda RS250 (NX5) cylinders (pair) - used
: $799.00

Used Honda RS250 cylinders. Needs to be honed, but not likely to need replating. Looks to be lightly modified porting. Have been replated.

JHA is stamped on both, but don't appear to be JHA cylinders. Likely just plated by JHA at some point.
more info
Honda RS250 NX5 OEM exhaust
Honda RS250 NX5 OEM exhaust
: $950.00

Original OEM pipes from I believe a '98 Honda RS250.  These are in outstanding condition and look like they have very little use.  Very minor rash on one silencer, but it's in the wrong place, so I expect it was done on a different set of pipes.  These would be great for a restoration project. more info