January 30, 20179 yr hi all,located in kent,looking to replace the head race bearing on the above bike (why can't people do routine work on their bikes?) can anybody give me the serial numbers so I can get them from my local bearing shop? or what is a good replacement make. also while i'm there I will change the fork oil,what is the oil brand,weight and amount you fine works? thanks in advance
January 31, 20179 yr The size for the head bearing from the parts manual are conical bearings 20x42x15 but if you remove them should have the number you require on the bearing.link to handbook for 2012 model should be same as yours, for rest of info you require.http://www.betamotor.com/system/attachments/0000/5172/evo4t_2012_eng.pdf Edited January 31, 20179 yr by bilks
January 31, 20179 yr Author Thanks bilks Ive tracked the bearings but couldn't find the owners manual on the Beta USA site only spares ,looks like I have lots of work as owner didn't use it much but probably jet washed it by the looks of it,,rear linkage is fine and I will check swing-arm bearing tomorrow, fork oil is a little milky so will swap it out.
February 2, 20179 yr Author does anyone know what weight oil goes in the forks? I thought it was 5wt bu it lists a type oj-racing-01 but what weight is that?
February 3, 20179 yr 10 weight in the compression side and 5 weight in the rebound side. Both are suspension oils.
February 3, 20179 yr Author 10 hours ago, billyt said: 10 weight in the compression side and 5 weight in the rebound side. Both are suspension oils. ok it doesn't mention different weights in the manual just different levels?
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