Yes, the travel of the 2016-2022 Yari A1-B3 can be changed by replacing the air spring assembly.
00.4020.572.000 AIR SPRING UPGRADE KIT - DEBONAIR C1 180MM (INCLUDES DEBONAIRASSEMBLY, SEAL HEAD) - PIKE 29+ B1/LYRIK A1-C3 (2016-2022)/YARI A1-B3 (2016-2022)
00.4020.572.001 AIR SPRING UPGRADE KIT - DEBONAIR C1 170MM (INCLUDES DEBONAIRASSEMBLY, SEAL HEAD) - PIKE 29+ B1/LYRIK A1-C3 (2016-2022)/YARI A1-B3 (2016-2022)
00.4020.572.002 AIR SPRING UPGRADE KIT - DEBONAIR C1 160MM (INCLUDES DEBONAIRASSEMBLY, SEAL HEAD) - PIKE 29+ B1/LYRIK A1-C3 (2016-2022)/YARI A1-B3 (2016-2022)
00.4020.572.003 AIR SPRING UPGRADE KIT - DEBONAIR C1 150MM (INCLUDES DEBONAIRASSEMBLY, SEAL HEAD) - PIKE 29+ B1/LYRIK A1-C3 (2016-2022)/YARI A1-B3 (2016-2022)
00.4020.572.004 AIR SPRING UPGRADE KIT - DEBONAIR C1 140MM (INCLUDES DEBONAIRASSEMBLY, SEAL HEAD) - PIKE 29+ B1/LYRIK A1-C3 (2016-2022)/YARI A1-B3 (2016-2022)
00.4020.572.005 AIR SPRING UPGRADE KIT - DEBONAIR C1 130MM (INCLUDES DEBONAIRASSEMBLY, SEAL HEAD) - PIKE 29+ B1/LYRIK A1-C3 (2016-2022)/YARI A1-B3 (2016-2022)
00.4020.572.006 AIR SPRING UPGRADE KIT - DEBONAIR C1 120MM (INCLUDES DEBONAIRASSEMBLY, SEAL HEAD) - PIKE 29+ B1/LYRIK A1-C3 (2016-2022)/YARI A1-B3 (2016-2022)
RockShox service kits and spare parts are best obtained through your local shop or dealer. See our dealer locator, below, to find a dealer near you. If no one is currently listed near you, then please search for local shops via your preferred web browser.
https://www.sram.com/en/dealer-locator
Manuals and additional information about RockShox and SRAM components can be found at our service site, linked below.
https://www.sram.com/en/service
Further questions?
Reach out to Rider Support by Asking A Question at the link below.
https://www.sram.com/en/rockshox/campaigns/rockshox-rider-support