2024 Kawasaki KX450 and KX450X

Duke28
Posts
220
Joined
12/18/2019
Location
Moto town, TX, USA
7/12/2024 7:45pm

No more vibration than my Ktm 250. Also, much less engine brake compared to the 250 (which has a TD vortex.)

lumpy790
Posts
11646
Joined
9/18/2007
Location
York, SC, USA
7/12/2024 7:45pm

5
NicNak
Posts
1098
Joined
2/18/2019
Location
Palm Desert, CA, USA
7/12/2024 7:45pm
NicNak wrote:
Have any of you noticed this bike vibrates more than the previous gen? I have been trying to decrease the vibration! It definitely helps when i...

Have any of you noticed this bike vibrates more than the previous gen? I have been trying to decrease the vibration! It definitely helps when i keep the revs down but when I'm in a moto it's easy to just let er rip or if i'm doing a long GP it takes its toll.

I was considering trying handlebar anti - vibration inserts. FASTT has them. Reviews seem ehh all over the place! 

Ever tried filling the bars with silicone/polyurethane (or something similar)? I've heard a number of people swear by it and it's a lot cheaper than most...

Ever tried filling the bars with silicone/polyurethane (or something similar)?

I've heard a number of people swear by it and it's a lot cheaper than most other options.

Maybe that’s a move. I will look into it! 

1
alycium102
Posts
145
Joined
11/14/2017
Location
USA, MN, USA
7/12/2024 8:23pm
NicNak wrote:
Have any of you noticed this bike vibrates more than the previous gen? I have been trying to decrease the vibration! It definitely helps when i...

Have any of you noticed this bike vibrates more than the previous gen? I have been trying to decrease the vibration! It definitely helps when i keep the revs down but when I'm in a moto it's easy to just let er rip or if i'm doing a long GP it takes its toll.

I was considering trying handlebar anti - vibration inserts. FASTT has them. Reviews seem ehh all over the place! 

Ever tried filling the bars with silicone/polyurethane (or something similar)? I've heard a number of people swear by it and it's a lot cheaper than most...

Ever tried filling the bars with silicone/polyurethane (or something similar)?

I've heard a number of people swear by it and it's a lot cheaper than most other options.

NicNak wrote:

Maybe that’s a move. I will look into it! 

Definitely much more vibration than previous generation. I feel it more so in the foot pegs than the bars though

The Shop

yz133rider
Posts
5028
Joined
8/1/2013
Location
Avondale, PA, USA
7/12/2024 8:46pm
Ever tried filling the bars with silicone/polyurethane (or something similar)? I've heard a number of people swear by it and it's a lot cheaper than most...

Ever tried filling the bars with silicone/polyurethane (or something similar)?

I've heard a number of people swear by it and it's a lot cheaper than most other options.

NicNak wrote:

Maybe that’s a move. I will look into it! 

alycium102 wrote:

Definitely much more vibration than previous generation. I feel it more so in the foot pegs than the bars though

I didn’t feel a thing. You guys are keefer level feeling the -2ft lbs on the clutch perch bolts freeing up the chassis.

7
Village Idiot
Posts
2622
Joined
5/19/2023
Location
MXoN - a term used by newbs, goobs and rubes, PW, USA
7/12/2024 9:12pm
NicNak wrote:

Maybe that’s a move. I will look into it! 

alycium102 wrote:

Definitely much more vibration than previous generation. I feel it more so in the foot pegs than the bars though

yz133rider wrote:

I didn’t feel a thing. You guys are keefer level feeling the -2ft lbs on the clutch perch bolts freeing up the chassis.

Grinning

There's a cure - take a ride on YZ490 and they'll think they're on an electric hoveround!

2
Sandusky26
Posts
3471
Joined
7/28/2021
Location
Eastern, NC, USA
7/13/2024 1:49am
NicNak wrote:

Maybe that’s a move. I will look into it! 

alycium102 wrote:

Definitely much more vibration than previous generation. I feel it more so in the foot pegs than the bars though

yz133rider wrote:

I didn’t feel a thing. You guys are keefer level feeling the -2ft lbs on the clutch perch bolts freeing up the chassis.

Rev it past 9k in 3rd gear and you will feel it in the pegs, he asked to compare to the old chassis. 

2
yz133rider
Posts
5028
Joined
8/1/2013
Location
Avondale, PA, USA
7/13/2024 2:42am Edited Date/Time 7/13/2024 2:43am
Sandusky26 wrote:

Rev it past 9k in 3rd gear and you will feel it in the pegs, he asked to compare to the old chassis. 

You just called me slow in the most technical way possible!! That’s too funny.

 

it could be I don’t rev it enough or it could be that I’m as sensitive as a sledge hammer to these things lol

4
Nystrom7
Posts
282
Joined
8/17/2018
Location
SE
7/13/2024 2:38pm

I honestly dont feel any vibration in this bike. Nothing that stands out compared to my previous 2019 and 2020.

And i read about the vibrations before first ride but i haven't noticed any

Mr. Afterbar
Posts
2419
Joined
5/13/2019
Location
Green Bay, WI, USA
7/14/2024 7:17am
Finally rode a 24 today at Glen Helen. Definitely not night and day better/different than the 19-23 gen but I'd say all the changes they made...

Finally rode a 24 today at Glen Helen. Definitely not night and day better/different than the 19-23 gen but I'd say all the changes they made are in the right direction. Bike falls right into ruts and tracks really good on exit. The Bremo front brake is awesome! And obviously the smaller rear brake is much better. The new plastic feels much slimmer. I had no issues gripping the bike or anything like that. Rider triangle is pretty similar to the old bike. 24 feels a bit heavier on the stand but I didn't notice the weight on the track at all. I really think Kawasaki is doing it the best as far as chassis feel right now. Both bikes really motivate you to get out and ride when the track is rough. Overall, great bike. These rebates are off the hook. If you're thinking about picking one up i'd say send it.

I installed the OEM accessory engine mounts a week or so ago, and that comfort feel the Kawasaki is famous for is accentuated with these engine...

I installed the OEM accessory engine mounts a week or so ago, and that comfort feel the Kawasaki is famous for is accentuated with these engine hangers.  For a Vet B rider, these are definitely a step in the right direction.  It makes the bike feel even more planted and increases compliance and front wheel traction.  They were a very worthwhile purchase, IMO.

Have you noticed any less vibration? My left hand is gong numb, causing arm pump. Never was a thing before this bike. 

Sandusky26
Posts
3471
Joined
7/28/2021
Location
Eastern, NC, USA
7/14/2024 7:35am
Finally rode a 24 today at Glen Helen. Definitely not night and day better/different than the 19-23 gen but I'd say all the changes they made...

Finally rode a 24 today at Glen Helen. Definitely not night and day better/different than the 19-23 gen but I'd say all the changes they made are in the right direction. Bike falls right into ruts and tracks really good on exit. The Bremo front brake is awesome! And obviously the smaller rear brake is much better. The new plastic feels much slimmer. I had no issues gripping the bike or anything like that. Rider triangle is pretty similar to the old bike. 24 feels a bit heavier on the stand but I didn't notice the weight on the track at all. I really think Kawasaki is doing it the best as far as chassis feel right now. Both bikes really motivate you to get out and ride when the track is rough. Overall, great bike. These rebates are off the hook. If you're thinking about picking one up i'd say send it.

I installed the OEM accessory engine mounts a week or so ago, and that comfort feel the Kawasaki is famous for is accentuated with these engine...

I installed the OEM accessory engine mounts a week or so ago, and that comfort feel the Kawasaki is famous for is accentuated with these engine hangers.  For a Vet B rider, these are definitely a step in the right direction.  It makes the bike feel even more planted and increases compliance and front wheel traction.  They were a very worthwhile purchase, IMO.

Have you noticed any less vibration? My left hand is gong numb, causing arm pump. Never was a thing before this bike. 

Have to get rid of the lock on grips. Makes it worse.

1
1
7/14/2024 7:42am
Finally rode a 24 today at Glen Helen. Definitely not night and day better/different than the 19-23 gen but I'd say all the changes they made...

Finally rode a 24 today at Glen Helen. Definitely not night and day better/different than the 19-23 gen but I'd say all the changes they made are in the right direction. Bike falls right into ruts and tracks really good on exit. The Bremo front brake is awesome! And obviously the smaller rear brake is much better. The new plastic feels much slimmer. I had no issues gripping the bike or anything like that. Rider triangle is pretty similar to the old bike. 24 feels a bit heavier on the stand but I didn't notice the weight on the track at all. I really think Kawasaki is doing it the best as far as chassis feel right now. Both bikes really motivate you to get out and ride when the track is rough. Overall, great bike. These rebates are off the hook. If you're thinking about picking one up i'd say send it.

I installed the OEM accessory engine mounts a week or so ago, and that comfort feel the Kawasaki is famous for is accentuated with these engine...

I installed the OEM accessory engine mounts a week or so ago, and that comfort feel the Kawasaki is famous for is accentuated with these engine hangers.  For a Vet B rider, these are definitely a step in the right direction.  It makes the bike feel even more planted and increases compliance and front wheel traction.  They were a very worthwhile purchase, IMO.

Have you noticed any less vibration? My left hand is gong numb, causing arm pump. Never was a thing before this bike. 

I’ll be honest, I never really noticed the vibration to begin with, so I probably can’t help you.  The bike has an overall cushier feel with the optional engine hangers installed, but I can’t speak to whether or not it reduced vibration.

7/15/2024 6:48am

Has anyone had Race Tech or an authorized Race Tech center revalve their 2024?  After this past weekend, I think I need to break down any pay for a revalve, and I liked how my last KX forks worked that I had revalved by RT.

motomike894
Posts
1572
Joined
9/6/2009
Location
Waterloo, IN, USA
7/15/2024 9:37am

TZR has done my bike for years, we went way heavier on my fork springs this time to help keep it up ( had to special order them lol ) 

This is possibly the  best suspension I have ever had saying that, combines with the chassis, etc. thing is sick. 

SO if need a revalve I highly suggest TZR, all of us that ride together with new Kawis all have TZR and all of our bikes are sick. 

 

Sandusky26
Posts
3471
Joined
7/28/2021
Location
Eastern, NC, USA
7/15/2024 10:14am
TZR has done my bike for years, we went way heavier on my fork springs this time to help keep it up ( had to special...

TZR has done my bike for years, we went way heavier on my fork springs this time to help keep it up ( had to special order them lol ) 

This is possibly the  best suspension I have ever had saying that, combines with the chassis, etc. thing is sick. 

SO if need a revalve I highly suggest TZR, all of us that ride together with new Kawis all have TZR and all of our bikes are sick. 

 

I feel the same way about my bike. I had the same guy do my 22 and 24 and I like the suspension on the 24 much better. Pretty sure it's the chassis making the suspension feel better.

3
Duke28
Posts
220
Joined
12/18/2019
Location
Moto town, TX, USA
7/15/2024 12:12pm

Just had total control in NC do mine. Lighter valving in shock and stiffer fork springs. The bike is great! 

1
Sandusky26
Posts
3471
Joined
7/28/2021
Location
Eastern, NC, USA
7/15/2024 12:23pm
Duke28 wrote:

Just had total control in NC do mine. Lighter valving in shock and stiffer fork springs. The bike is great! 

That's who did mine.

7/15/2024 1:42pm

I really wish one of the suspension companies came out to the tracks in my area to help with setup.  I’m really tall (and not very talented), so I have yet to find a suspension company that could nail a setting for me on the first try.  Back in the day when I lived in SoCal, I had Factory Connection set up my bike.  After the first time they did it, I told them it was way too soft.  They told me to come out and meet them at GH.  They watched me ride for a bit, then revalved it on the spot.  I miss having that kind of help, and I’m nervous about having someone who has never seen me ride try to set a bike up for me.

4
Mx451
Posts
213
Joined
6/15/2018
Location
Bozeman, MT, USA
7/16/2024 5:40am

I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for more small bump compliance and bottoming resistance. Had a nice talk with JB yesterday so hopefully it ships soon and i can get you a ride report. 

4
7/16/2024 6:06am
Mx451 wrote:
I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for...

I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for more small bump compliance and bottoming resistance. Had a nice talk with JB yesterday so hopefully it ships soon and i can get you a ride report. 

Let us know what you think.  For the conditions you ride in, I think you’d like the softer accessory engine hangers.

3
quadmx301
Posts
506
Joined
9/23/2014
Location
Murrieta, CA, USA
7/16/2024 7:00am
Mx451 wrote:
I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for...

I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for more small bump compliance and bottoming resistance. Had a nice talk with JB yesterday so hopefully it ships soon and i can get you a ride report. 

Let us know what you think.  For the conditions you ride in, I think you’d like the softer accessory engine hangers.

This is exactly the feel I’m searching for. Saving up the coin to have REP do mine - I live 5 mins down the road from them. Haven’t ridden the engine hangers yet but I’m curious to see how they help the chassis feel

Mx451
Posts
213
Joined
6/15/2018
Location
Bozeman, MT, USA
7/16/2024 8:11am
Mx451 wrote:
I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for...

I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for more small bump compliance and bottoming resistance. Had a nice talk with JB yesterday so hopefully it ships soon and i can get you a ride report. 

Let us know what you think.  For the conditions you ride in, I think you’d like the softer accessory engine hangers.

If I'm still searching for a little more compliance after the JBI install I may check them out. Absolutely love this bike and cant wait to dial it in just a little bit more. 

3
quadmx301
Posts
506
Joined
9/23/2014
Location
Murrieta, CA, USA
7/16/2024 9:31am
Mx451 wrote:
I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for...

I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for more small bump compliance and bottoming resistance. Had a nice talk with JB yesterday so hopefully it ships soon and i can get you a ride report. 

Let us know what you think.  For the conditions you ride in, I think you’d like the softer accessory engine hangers.

Mx451 wrote:
If I'm still searching for a little more compliance after the JBI install I may check them out. Absolutely love this bike and cant wait to...

If I'm still searching for a little more compliance after the JBI install I may check them out. Absolutely love this bike and cant wait to dial it in just a little bit more. 

The bike is unreal stock. But it keeps getting better with massaging. This is one that I think I may grow old with…

3
Duke28
Posts
220
Joined
12/18/2019
Location
Moto town, TX, USA
7/16/2024 9:39am
Mx451 wrote:
I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for...

I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for more small bump compliance and bottoming resistance. Had a nice talk with JB yesterday so hopefully it ships soon and i can get you a ride report. 

Let us know what you think.  For the conditions you ride in, I think you’d like the softer accessory engine hangers.

quadmx301 wrote:
This is exactly the feel I’m searching for. Saving up the coin to have REP do mine - I live 5 mins down the road from...

This is exactly the feel I’m searching for. Saving up the coin to have REP do mine - I live 5 mins down the road from them. Haven’t ridden the engine hangers yet but I’m curious to see how they help the chassis feel

I felt like I had the same problem initially, but the stiffer I went with clickers and oil, the fork felt more plush. 

3
7/16/2024 9:45am Edited Date/Time 7/16/2024 9:48am

Let us know what you think.  For the conditions you ride in, I think you’d like the softer accessory engine hangers.

quadmx301 wrote:
This is exactly the feel I’m searching for. Saving up the coin to have REP do mine - I live 5 mins down the road from...

This is exactly the feel I’m searching for. Saving up the coin to have REP do mine - I live 5 mins down the road from them. Haven’t ridden the engine hangers yet but I’m curious to see how they help the chassis feel

Duke28 wrote:

I felt like I had the same problem initially, but the stiffer I went with clickers and oil, the fork felt more plush. 

How many ml of oil are you running?  I have an optional stiffer spring in one fork leg and am running 370ml of oil.  It never bottoms now, which makes me wonder if my oil level might be too high.

Duke28
Posts
220
Joined
12/18/2019
Location
Moto town, TX, USA
7/16/2024 10:40am
quadmx301 wrote:
This is exactly the feel I’m searching for. Saving up the coin to have REP do mine - I live 5 mins down the road from...

This is exactly the feel I’m searching for. Saving up the coin to have REP do mine - I live 5 mins down the road from them. Haven’t ridden the engine hangers yet but I’m curious to see how they help the chassis feel

Duke28 wrote:

I felt like I had the same problem initially, but the stiffer I went with clickers and oil, the fork felt more plush. 

How many ml of oil are you running?  I have an optional stiffer spring in one fork leg and am running 370ml of oil.  It never...

How many ml of oil are you running?  I have an optional stiffer spring in one fork leg and am running 370ml of oil.  It never bottoms now, which makes me wonder if my oil level might be too high.

Not much more. I have 450x and when 20ml more in each leg and that gave me the info I needed to tell my tuner. 

Markee
Posts
3668
Joined
4/15/2013
Location
Suffolk, VA, USA
7/16/2024 11:58am
Mx451 wrote:
I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for...

I just ordered the full Ride JBI dyi kit. Im on stock suspension now. As a 40a rider on mostly hardpack choppy conditions Im looking for more small bump compliance and bottoming resistance. Had a nice talk with JB yesterday so hopefully it ships soon and i can get you a ride report. 

Same here. Looking forward to getting everything setup. 

1
retro2
Posts
79
Joined
9/3/2023
Location
Bakers Field, CA, USA
7/16/2024 4:10pm
Has anyone had Race Tech or an authorized Race Tech center revalve their 2024?  After this past weekend, I think I need to break down any...

Has anyone had Race Tech or an authorized Race Tech center revalve their 2024?  After this past weekend, I think I need to break down any pay for a revalve, and I liked how my last KX forks worked that I had revalved by RT.

I went with JBI and couldn’t be happier 

Mx451
Posts
213
Joined
6/15/2018
Location
Bozeman, MT, USA
7/16/2024 8:01pm
Has anyone had Race Tech or an authorized Race Tech center revalve their 2024?  After this past weekend, I think I need to break down any...

Has anyone had Race Tech or an authorized Race Tech center revalve their 2024?  After this past weekend, I think I need to break down any pay for a revalve, and I liked how my last KX forks worked that I had revalved by RT.

retro2 wrote:

I went with JBI and couldn’t be happier 

Damn, I am getting pumped on JBI! Can't wait to try it. 

Mr. Afterbar
Posts
2419
Joined
5/13/2019
Location
Green Bay, WI, USA
7/17/2024 3:27am
Sandusky26 wrote:

Have to get rid of the lock on grips. Makes it worse.

I got rid of them instantly. Not a fan. 

1

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