New yz450fx break in?


7 replies to this topic
  • tmav66

Posted September 26, 2016 - 09:01 AM

#1

Hello, I just bought a 16 yz450fx I am pretty excited! I'm coming off a 09 yz450 set up for woods. Anyways I don't pick up the bike till this Friday and I have a race Sunday, Bartlett enduro. It's two 34 mile loops so basically I got a little time Saturday to break her in and I don't have the manual yet to read the break in procedure just looking for some advice on breaking it in, or should I just ride my 09 on Sunday? I really don't want to cause I'm trying to sell it and i'd hate to wreck something on the 09. Thanks in advance.

  • grayracer513

Posted September 26, 2016 - 10:05 AM

#2

Start the bike and roll around on it for about 5 minutes, then shut down and check things over, see if anything's loose or leaking, or whatever. 

 

For the next 20-30 minutes ride it at between 25% and 85% of it's capability, almost as you normally would.  Then check the fluids again and if there's no reason not to, just ride the thing; break in's over.



  • tmav66

Posted September 26, 2016 - 10:19 AM

#3

Thanks gray, it's been 11 years since I bought a brand new bike,so been awhile. You suggest changing oil before the two 34 mile loops or just change after the race?

  • grayracer513

Posted September 26, 2016 - 11:52 AM

#4

Change the break in oil out prior to the race.



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  • cowboyona426

Posted September 26, 2016 - 12:48 PM

#5

I break 'em in like I ride 'em, no special treatment other than no WFO runs for the first few hours.  My FX seems to like fresh oil around the 6-7 hour mark, longer than that and the clutch noise increases quite a bit.



  • RichDawson

Posted October 04, 2016 - 10:53 AM

#6

I put about 1.5 hours of moderate trail riding on mine, changed oil, and just completed a 60 mile enduro. No issues.

  • tmav66

Posted October 04, 2016 - 12:07 PM

#7

I put about 1.5 hours of moderate trail riding on mine, changed oil, and just completed a 60 mile enduro. No issues.


I did the exact same thing 1.5 hour break in then a 64 mile enduro the next day bike did great, I did ok lol but I did eff up my right side radiator so now I'm down for a week staring at my new bike waiting for new radiator and braces.

  • Krannie McKranface

Posted October 04, 2016 - 02:58 PM

#8

5 min idle with slow throttle roll to 2 or 3k now and then.

 

Ride slowfor 2 miles, then ride HARD in short bursts, on and off the throttle. Lots of decelleration, and no sustained throttle, for 20 mins.

 

Change oil.  

 

Ride like normal.







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