How to Change Sprockets on Hawk RPS 250

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This shorthawksprockets17t guide will show you the steps to change your sprockets on your Hawk RPS 250 Enduro dirt bike. The sprockets I went hawksprockets45twith are JT Sprockets 45T and JT Sprockets 17T. You can purchase Hawk 250 Upgrades by clicking here. You will also find other Sprocket sizes depending on your needs.

 

Step 1. You will need to remove your rear tire and the cover for the front sprocket on top of the gear shiftier. There are 2 bolts holding the cover for the front sprocket.

Hawk 250 Sprockets

Step 2.

The next thing I worked on was the rear tire. You will need to remove the 4 bolts holding the sprocket and the clip (red arrow).

 

Hawk 250

It could be a pain to remove the clip if you don’t have the right tools for the job, which is what normally happens to me lol. I was able to get it off but it wasn’t pretty. I’m sure there are needle-nose pliers to make the job easier.

Hawk 250

Put the new sprocket on and make sure it sits on straight and then put the nuts on and after that the clip. Check the sprocket after to make sure its not on a angle or misaligned.

Hawk 250

 

Step 3. Once you have removed the cover for the front sprocket, you will need to remove the 2 small bolts and then turn the clip holding the sprocket until it comes off.

Hawk 250 Sprocket Change

Hawk 250 Sprocket Change

Once you have removed the old sprocket, put the new one and put it back together the same way. Rotate the clip until it lines up with the bolt holes and make sure its secured.

Hawk 250 Sprocket Change Hawk 250 Sprocket Change

With the front sprocket I put on my hawk 250, I had to grid off some of the metal on the cover so it could be put back together. You might be able to put it back without grinding it but a few members have reporting having to grind the edge to clear it.

Hawk 250 Sprocket Change

You can see below where I had to grind some metal off the cover case.

Hawk 250 Sprocket Change

 

Disclaimer: I have no mechanical experience when it comes to working on motorcycles. Everything I have learned has been from either breaking it and needing to figure it out to get back on the road or watching youtube videos. I’m sure there are better methods to do some of the stuff I’m showing you here but this is how I got it done and it worked for me. Read at your own risk and if there is anything I can help you with, please contact me.

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19 Responses

  1. I just got my hawk and I’m wondering what pros and cons are for the 17/45 switch? What do you gain and what do you lose? Also how much speed did you gain? Thanks!

    1. Congrats on the new hawk. I don’t know the exact calculations but going to 17/45 will give you more top end. You will some low end power but not much that you will notice. Some say their max is 70. Mine max has been around 65.

        1. If you go back to that page. There is a link to a eBay listing for the same chain. Amazon is currently out of stock and you can only find it on Amazon. Sorry about that.

  2. The studs and nuts on the rear sprocket snapped, and I haven’t found any luck on how to replace those yet. All four of the screws had snapped and if anyone knows what to do on how to replace the four screws it would be great.

    1. That sucks. I’m not sure if they just sell the screws or if you have to get the whole set. I would contact txpowersports.com and let them know hawk250.com sent you and hopefully they can hook you up.

  3. Made a rookie mistake. Long story short- something didn’t go as planned with my front sprocket and chain replacement. Any chance that anyone knows where I can get my hands on a replacement front sprocket cover?

    1. That’s sucks man. Something the same happened to me recently :). I was trying some wheelies and the chain was loose and it came off. It snapped the front sprocket cover, ripped the gear indication sensor and broken the safety click that protects the wire. Lucky I was able to get all the parts from TXPowerSports.com i ordered a bunch of stuff so I’m not sure how much the cover was. Send them a email and see what they can do for you.

  4. Got a 2017 hawk 3 days ago. Doing the chain and front sprocket only at the moment. I am running into a problem of the new chain hitting a little section of the engine case inside where the front sprocket it. I’m trying to grind out a little section but don’t wanna blow through or make it to thin to where it warps and leaks. Anyone run into this on the new 17s?

    1. Hmm that’s strange. I didn’t have to do that with my 17front sprocket. Can you send me a picture? I think some people are staying with the 15 front but going with a different rest than 45 to get the same ratio. I’m planning on doing some testing with other sprocket combs

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