Joined Aug 2009
1K Posts | 346+
Charters Towers, Australia
Looking for Nj206 ecp c4 mains for my dead 570, anyone know of a well priced quality supplier ?
570 mains
- Thread starter berglsmerg
- Start date
On KTM talk atleast with the older RFS motor there is alot of agreement that the KTM bearings are superior to aftermarket ones with similar ratings so I would go with stock ones myself.
Joined Aug 2009
1K Posts | 346+
Charters Towers, Australia
That makes sense, references are made to the quality of oem mains in the main bearing thread on here, not a budget option by any stretch of the imagination, but worth the peace of mind.
Coincidently bushmechanic ( maniac ? ) has gone up a size to 207/206 combo in that outrageous 700, check it here http://www.dirtbikeworld.net/forum/show ... p?t=105726
Coincidently bushmechanic ( maniac ? ) has gone up a size to 207/206 combo in that outrageous 700, check it here http://www.dirtbikeworld.net/forum/show ... p?t=105726
Pretty sure the 570 already has a larger main providing more support than the mains in the older motors. I know KTM stuff better and compared to the RFS motor the 70 degree motor has bigger main for sure. This provides the crank a lot more support.
Joined Aug 2009
1K Posts | 346+
Charters Towers, Australia
yes 207's
Joined Aug 2009
1K Posts | 346+
Charters Towers, Australia
Torque Monster said:
From what I have researched, the 690 and 990 run the same mains but list a different part# and cost a lot less than the 570 part #
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