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Old 05-01-2012, 08:23 AM   #1029
toddler's Avatar
Joined: Jan 2006
Location: Pinewood Springs, CO(between Lyons and Estes Park)
Oddometer: 2,755
That is if you race the bike and want it in top condition.

My old wr400f manual said to replace piston/rings...etc. every 400 miles. It was never done after over 8000 miles.

Just ride it.

Originally Posted by SteveO View Post
I was just thinking about the maintenance of this engine and started looking at the manual.

At 105 hours, KTM is calling for the following:

Change spark Plug and Connector
Change Connecting Rod, Bearing and Crank Pin
Change the Piston

There are other "checks", but these stood out to me.

At 41 hours (1100 miles) of riding, I feel like I'm just starting to break in the bike. I can't see how the above items need to be change at such an early stage in the bike's life......

Any comments?
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