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Ninja 250/300 Confirmed Parts Interchangeabilty

90153 Views 86 Replies 51 Participants Last post by  nwaXoWu12337
I noticed a large amount of parts for the 250r were the same as the 300 so I figured it would be helpful to compile them in 1 spot.

To start:
K&N Air Filter (And 250r Snorkal Mod)
250r Rear Sets
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The swing arms are the same, but the 300 has an extra bolt hole in front of the tire. This means that a hugger designed for a 250 could go on a 300, but one for a 300 couldn't go on a 250 unless you added an extra bolt hole. Still not a big deal. Just not plug and play.
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Hate to revive an old thread but can anybody confirm if front/back wheel rims from a 250R fit a 300?
I'm trying to go racing but I don't want to use the "good" tires for commuting; so instead I want to use the 250r wheels for that. Any help would be great.
Hate to revive an old thread but can anybody confirm if front/back wheel rims from a 250R fit a 300?
I'm trying to go racing but I don't want to use the "good" tires for commuting; so instead I want to use the 250r wheels for that. Any help would be great.

old thread revival is a good thing, show you know how to search;)

for the parts, if you have a look in my signature below theres a parts list for all sorts of stuff. in there in the first page there is a cross reference for parts for the 300 and 250. its a web site, for both bikes, just compare the parts between the two yourself and see what you can see
new to this..sadly..

the water pump hoses look the same except the 250r is bent and the other is rounded off for the 300...part number 39192-0565, pipe-water. would it still plug and play even if its gotta 90 degree like that?
Hate to revive an old thread but can anybody confirm if front/back wheel rims from a 250R fit a 300?
I'm trying to go racing but I don't want to use the "good" tires for commuting; so instead I want to use the 250r wheels for that. Any help would be great.
Yes the wheels are completely interchangeable.

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FMF Exhaust

Anyone tried the new FMF Apex exhaust yet? Trying to see if its worth the extra money. It looks sweet and sounds great. Also any riders in the hampton roads area?
Does anyone know what is the windshield bolt size? I tried bolt size - 5mm x 16mm but its too small.
Does anyone know what is the windshield bolt size? I tried bolt size - 5mm x 16mm but its too small.
From oem parts site - BOLT,SOCKET,6X25
anyone know the size of the windshield bolts ?
anyone know the size of the windshield bolts ?
I answered you already :rolleyes: You want M6 x 25mm allen/socket cap bolts.

If you check an OEM parts site, they give you all the bolt specs. The numbers are all in mm.
i have looked at a few of the quick release rivets on the bike. we all know the ones, they are the small back ones that press in to undo & then lift out. they are awesome little beastys. anyhow if you fireup ebay & search on "fairing clip 7mm" you will find them. i bought a pack of 20 delivered to my door for under $5. hope this might help someone. tested and they work fine with the 300
I've used 6mm ones just fine. I believe they're typically they're called nylon rivets.
Anyone know if the radiators are the same or interchangeable? 250 part number is 39061 and the 300 is 39060 but they look the same.
K&n ka-2508

Would this air filter fit my 300, seeing as the 250r and the 300 share some parts.

Cheers in advance.
Would this air filter fit my 300, seeing as the 250r and the 300 share some parts.

Cheers in advance.

Only perfectly mate. I've just installed one myself an hour ago that bought online from amazon a week ago. Fits perfect and even come with some grease for applying around the filter and some installation instructions.
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Only perfectly mate. I've just installed one myself an hour ago that bought online from amazon a week ago. Fits perfect and even come with some grease for applying around the filter and some installation instructions.
Cheers for the quick response buddy :) Guess who's ordering an air filter haha.
Anyone know wether or not the chain and sprockets are interchangable?
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