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2013 piston change

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Hi I've got 22hrs on my 13 now and was wondering when you guys were changing your pistons. I know it said 15hrs in the manual but is that a bit over kill for a mid- front pack B rider. Also heard a few storys about the piston cracking about 25hrs  but only hearsay. As a clue I used to change them about 30 hrs on my old Hondas.

Pls let me know your thoughts.

Thanks

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4 strokes last forever if maintained well. Like valves in spec, oil always changed, air filter always clean. I had a 2011 kx250f, over 100 hours and only had to adjust the valves once, and never rebuilt it and it still rode perfect.

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4 strokes last forever if maintained well. Like valves in spec, oil always changed, air filter always clean. I had a 2011 kx250f, over 100 hours and only had to adjust the valves once, and never rebuilt it and it still rode perfect.

Oil and filter changed every 3-4 rides mx so about 3-4 hrs air filter every ride valve clearances checked every 10 ish hrs

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I wouldn't worry about rebuilding it then. If your bike is still running strong, has good compression, I wouldn't worry about it

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yea 15 hours is a bit excessive unless you are a top a class rider who is on the rev limit  most of the time.

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Hi I've got 22hrs on my 13 now and was wondering when you guys were changing your pistons. I know it said 15hrs in the manual but is that a bit over kill for a mid- front pack B rider. Also heard a few storys about the piston cracking about 25hrs  but only hearsay. As a clue I used to change them about 30 hrs on my old Hondas.

Pls let me know your thoughts.

Thanks

Has anyone else heard of these horror storys of the pistons failing at around  25hs or is this a local rumour

Thanks

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Hi I've got 22hrs on my 13 now and was wondering when you guys were changing your pistons. I know it said 15hrs in the manual but is that a bit over kill for a mid- front pack B rider. Also heard a few storys about the piston cracking about 25hrs  but only hearsay. As a clue I used to change them about 30 hrs on my old Hondas.

Pls let me know your thoughts.

Thanks

Cylinder Works reccomends a change every 20 hours for the forged pistons used in race conditions. 

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