Front Fork Oil Weight

pjl52

.040 Over
Joined
Aug 6, 2009
Messages
77
Location
Queensland Australia
About to have a set of Progressive front fork springs fitted and am trying to decide what weight of oil to use, the manual states 5w oil but some seem to recommend to go up to 10w oil. I am basically looking for comfort more so than handling prowesss, do you think that the 5w would be okay or should I go up to the 10w oil, also is there a particular brand of oil that is preferable (hopefully available in Oz)?

Thanks
Peter
 

NM ROCKET

Supercharged
Joined
Jul 19, 2009
Messages
482
Location
Santa fe, NM
When I had the dealer install my Progressive fork springs I had them put 15w. Seems to work good in mine.
 
Last edited by a moderator:

Joker

Turbocharged
Joined
Feb 18, 2007
Messages
625
Location
UK
I had heavier oil put in mine when I fitted the Proggressive springs. The next time it went in I reverted to stock oil. I ride like a tw@, but I like to feel the front loading and unloading. It might just be me. :lol:
 

zimtuff

Nitrous
Joined
Dec 28, 2009
Messages
1,051
Location
Perth Western Australia
Ride
2008 Trimuph Rocket
I just got mine back from the dealer who installed the new fork springs and the Progressive 440s on the rear. I went with 20 weight and they seem good. The dealer and his mechanic were a little sceptical but give it the thumbs up after a test ride.
 

shaun*0

Standard Bore
Joined
Apr 7, 2010
Messages
8
higher the number the harder it will be oil is cheep have a play you won't hurt it
 

step1

Supercharged
Joined
Aug 14, 2006
Messages
279
Location
uk leicester
This is purely up to the individual.When i first put wilbers proggresives in mine i went with the heavier grade but there was no feel so i went back to standard weight.I prefered the standard weight Changeing the springs wasnt a lot different.
 
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