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View Full Version : What kinda oil should i use in my 400?


YAYHonda
06-23-2006, 09:29 PM
what do you think is the best? also what do you use?
krt400ex
06-23-2006, 09:56 PM
bel-ray 20w 50 semi synthetic "thumper" oil. enough said
Halter
06-23-2006, 10:03 PM
AMS oil BABY.....thats what I use cause I got it laying around...dad is like a pure AMS oil guy he sells it soo thats what I use in my jet ski, wheeler, and Snowmobile..plus all our vehicles...lawn mowers...lol..everything
YAYHonda
06-23-2006, 10:12 PM
what kinda amsoil?
Dannys440
06-23-2006, 10:33 PM
I am running Castrol Syntec 20w50
YAYHonda
06-23-2006, 11:38 PM
does that have a red cap?
hauck400ex
06-24-2006, 08:55 AM
10w40 honda gn4... its made by mobil, so its good stuff.. plus thats what honda puts in everything
Halter
06-24-2006, 01:37 PM
hmm good question...I think actually I am runnin 0-40w right now
the bottle says 4 stroke oil... o-40w
ams oil
Wheelie
06-24-2006, 07:56 PM
I run Honda 10w-40 most of the year, running 20w-50 right now.
AR15 guy
06-24-2006, 09:16 PM
I think I am switching to 20w-50 myself. Its getting crazy hot.
Halter
06-24-2006, 09:59 PM
heck, just make sure u got oil in it...any oil is better than no oil
krt400ex
06-27-2006, 09:49 AM
Originally posted by AR15 guy
I think I am switching to 20w-50 myself. Its getting crazy hot.

ya that will help it run cooler. i have over fifty hours in the last 2 months and mine only overheated once. that's running in temps over 60 degrees