'78 Yamaha EX 440 Spring Info Needed


Ski-B

Member
Joined
Jan 24, 2022
Messages
35
Age
59
Location
Canada
I have an old spring chart for you...but can't post it. Looks like I have to resize it. Any easy way to post a pic ?
 

Ski-B

Member
Joined
Jan 24, 2022
Messages
35
Age
59
Location
Canada
The 286 yellow spring is brutally soft. Best to work with a stiffer secondary spring for better back shift and control the rpm with ramp weight. Good luck.
 


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