Yamaha YZ 250 – CG23C/1SST (2015) Factory Oil & Tire Pressure Data
A hallmark of engineering longevity, the 2015 Yamaha YZ 250 (CG23C/1SST) represents a pivotal moment in the ‘Blue Crew’ history. While many manufacturers abandoned the…
Yamaha
Yamaha WR 450 F – CJ25W/B7R4 (2021 – 2023) Factory Oil & Tire Pressure Data
A unique engineering hallmark of the CJ25W generation is the industry-leading ‘reversed’ cylinder head layout. While Yamaha pioneered this in 2010, the 2021–2023 B7R4 iteration…
Yamaha YZF-R1 – RN12 (2004-2006) Factory Oil & Tire Pressure Data
The Yamaha YZF-R1 RN12 remains a watershed moment in superbike history. While its predecessors established the R1 name, the RN12 was the first production motorcycle…