Twin cam timing
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Novice
Joined: Dec 2020
Posts: 17
Likes: 3
From: FL
Update installed new injectors and verified correct wires and bike still misfire stuttered and stalled. Decided to check codes again and only high efi this time no lean from front 02 sensor. I restored factory tune and fired up and no misfire no stutter no stall. Going through heat cycles now. A little back fire on decel but with no tune thats expected. So fuel moto did tell me they didn't have an exact tune for the upgrades I have done to my bike but it would be close. It really couldn't be farther off in my opinion. So factory tune it is for break in/heat cycles then ill wait on wes at cycle rama for the dyno tune when he is ready in a couple weeks. Thank you all for your help and this has been a great learning experience for me. I guess sometimes its best to slow down and not over react and go through the little things.
Road Master
Joined: Mar 2020
Posts: 1,078
Likes: 267
From: New England
Update installed new injectors and verified correct wires and bike still misfire stuttered and stalled. Decided to check codes again and only high efi this time no lean from front 02 sensor. I restored factory tune and fired up and no misfire no stutter no stall. Going through heat cycles now. A little back fire on decel but with no tune thats expected. So fuel moto did tell me they didn't have an exact tune for the upgrades I have done to my bike but it would be close. It really couldn't be farther off in my opinion. So factory tune it is for break in/heat cycles then ill wait on wes at cycle rama for the dyno tune when he is ready in a couple weeks. Thank you all for your help and this has been a great learning experience for me. I guess sometimes its best to slow down and not over react and go through the little things.
Cruiser
Joined: Sep 2021
Posts: 124
Likes: 19
From: New York
Thanks for the replies. I will triple check cams but I believe they are spot on. Push rods were intake inside exhaust outside. Can tune for now with power vision from Fuel moto but I will be putting it on the dyna at cycle rama in a couple weeks. I did the front cylinder push rods with timing marks 180 apart lined up which now I have found that not to be tdc for front cylinder. Maybe they weren't on the bottom lobe of cam completely? Am I correct on the timing marks looking off for front cylinder? Thanks again
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