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I ended up getting the issue resolved. I bought some 1000 grit sand paper, sprayed it with wd40, and attached the bolt on the other side and basically polished the axle. I then hand polished the fork lug clamp area on the inside to clean up any corrosion. Still a snug fit but it can at least float correctly inside...
I’ve never had a problem removing a front axle on a bike until now. The front axle is extremely snug in the fork lugs even with everything loose. I had to tap it out with a brass punch, on a brand new bike. When installing I had to use a dead blow hammer to reinsert the axel back through. I...
This forum thread has 6 replies.

mx317 Liked a reply to forum topic 2024 Yz450f Hard to Start after Sitting

5/5/2025 7:14pm
Like was stated above, hold the kill button down until the map light goes out and try it again. It works every time for me. I read this in several places and it works.
This forum topic has 19 replies.

kt90278 Added a reply to 2024 Yz450f Hard to Start after Sitting

5/5/2025 8:30am
I never did figure out what it was but the problem went away after while and its been good. I replaced the battery and maybe that was it. I’ve heard the stock batteries are not that good.

kt90278 Added a reply to New 2023 YZ450F

1/12/2025 8:08am
Has anyone been able to fit a small case battery into YZ? I have one an AG 801 and try to place it in there, but the seat rails hit the battery and cannot get the seat to bolt on.

kt90278 Added a reply to New 2023 YZ450F

12/28/2024 4:42am
What year is your bike? Are you saying you purchased the new 25 engine mounts and linkage knuckle? If so what did you notice as far as changes?

kt90278 Added a reply to New 2023 YZ450F

12/28/2024 4:39am
Did you have any trouble bleeding you hydro clutch? Mine was a pain. Also how much free play did yours have?

mx317 Liked a reply to forum topic 2024 Yz450f Hard to Start after Sitting

9/20/2024 1:37pm
That worked for me the last time it was hard to start.
This forum topic has 19 replies.

rocketsocks26 Liked a reply to forum topic 2024 Yz450f Hard to Start after Sitting

9/3/2024 2:10am
My 23 had the same problem! Everyone said it’s the on /off switch on handlebars after washing.
This forum topic has 19 replies.

Timo Liked a reply to forum topic 2024 Yz450f Hard to Start after Sitting

9/3/2024 2:09am
Are you using the cold start plunger? My FX fires up much faster if it's pushed in than if I just crank it.
This forum topic has 19 replies.

BeachMX Liked a reply to forum topic 2024 Yz450f Hard to Start after Sitting

9/3/2024 2:07am
I have the same bike and issue. It seems that its a priming issue (for me at least). If my bike sits for a bit it will also take awhile of cranking to turn over. I have recently started opening up the throttle a full turn then letting close after pressing the start button once, and that has helped.
This forum topic has 19 replies.

Mx286 Liked a reply to forum topic 2024 Yz450f Hard to Start after Sitting

9/3/2024 2:07am
If it doesn’t start up after turning over a few times, hold the kill switch down until the blue light goes off. After that it’ll fire right up.
This forum topic has 19 replies.

Vet57 Liked a reply to forum topic 2024 Yz450f Hard to Start after Sitting

9/3/2024 2:06am
Next time try this... Hold throttle wide open and crank motor for 10 seconds then stop. Then push kill switch button for another 10 seconds. Pull enricher button and start.
This forum topic has 19 replies.