Balancing crank and oem or Wossner rod ??

mxracer47y
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mxracer47y
I’m looking to have my crank rebuilt On my 2006 RM250 while the rest of my motor is apart , I’ve spoken with the engine builder and he recommended either Wossner or an oem rod kit ,The Wossner is about $70 bucks cheaper and I’m usually always an oem guy but just curious if anyone has any experiences with Wossner , also would it beneficial to have the crank balanced to the piston , im sure it’ll help but will I see a drastic reduction in engine vibration
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Paul_Pitzonka
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Paul_Pitzonka 4/23/2020 11:35pm
4/23/2020 11:35pm
Wossner makes an excellent rod... trueness is more important than balance... However, if you have the spare money or time you can change the balance factor... I wouldn’t necessarily say you will see a reduction in vibration, but rather a change in the rpm location at which the vibration will occur...
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H4L
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H4L 4/24/2020 6:55am
4/24/2020 6:55am
Back in the mid to late 80’s it was common to run Woosner connecting rods in our small block Chevy engines. They were known for strength - durability & were used over oem on higher rpm built engines. They are a quality built product. I now run their forged pistons on my 250 2t’s.
I have an 05-07 CR2 engine that has had the crank balanced & do notice it is smoother through the rpm vs. a non balanced one.
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adam8781
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adam8781 4/24/2020 8:25am
4/24/2020 8:25am
pro x is japanese wossner is german cant go wrong either way. i use pro X in 99% of customers engines but i wouldnt hesitate to use anything made by wossner
mxracer47y
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mxracer47y 4/24/2020 4:02pm
4/24/2020 4:02pm
Thanks fellows I appreciate the feedback I purchased the Wossner rod kit today for my RM250 , just wanted to make sure I wasn’t making a mistake probably should of trusted the engine builder but just wanted some verification

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beamer
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beamer 4/25/2020 5:45pm
4/25/2020 5:45pm
I put a Wossner in my RM250 over the winter as well, it’s a very nice piece just looking at it. Haven’t rode the bike yet, track still closed but have had it running a few times

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