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Jon_Haynes Started a new thread 79 yz 250 jetting

6/29/2021 6:34pm
Im looking for some good recommended jetting specs for a 1979 YZ 250.does anybody have notes on what they used to run or still use? thanks Jon
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Jon_Haynes Started a new thread 79 yz 250 jetting

6/29/2021 4:29pm
I am in a bit of a time crunch. I dont get much ride time other than at the vintage races, any one have any tried and true jetting specs that always worked for them ? Bike is ported and PFR pipe, Thanks. Jon
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Hcallz5 Liked a reply to forum topic Recommended coolers

6/23/2021 12:19pm
Love my Lifetime cooler. https://www.lifetime.com/coolers
This forum topic has 45 replies.

Jon_Haynes Added a reply to 125 parts

2/21/2021 2:46pm
what would you want for a head and cylinder for the RM? I dont need them yet but I am racing a 98 RM so spare parts are always great.