Seating new rings
Seasoned HDF Member
Joined: Sep 2009
Posts: 25,310
Likes: 2,446
From: Eastern NE
On a new build I take the bike out and get in 3rd gear, then go from 30mph up to 60mph full throttle and letting off until its back down to 30mph and repeat. I do this ten times over. If its just a new bike off the showroom floor, then I just take it easy for the first 50 miles in varying speeds without remaining a constant speed. Then I ride it as normal.
MotoTune's procedure all the way...did the 2017 Dyna on ride home from dealer...30/60/30 x10 in 3rd.
Banned
Joined: May 2018
Posts: 4,576
Likes: 978
From: Viet Vet, crossroads
I have no clue why people use the old crap anymore.
Outstanding HDF Member
Joined: Mar 2010
Posts: 2,965
Likes: 384
From: SoCal hi desert
When I redid the top end on my evo I did the heat cycle thing per my machinist's instructions. New KB pistons and Hastings rings. Since he has been racing a basically hand built '39 Indian LSR bike for years (among many other things) I followed his advice to the letter. It had 10k on the top end and was running very well when I traded it in on the RK.
I would say go with the instructions that come with the ring set you are using.
I would say go with the instructions that come with the ring set you are using.
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