I Was trying to locate some good technical info for the clutch on the Yamaha XV750 the 93-19 YAMAHA YZ250 Friction and Steels are the Same the springs are different.
The Clutches China and KG Clutch Factory.
Friction 22U-16321-00 X 8 EBC CK2274
Steel 4X7-16325-00-00 X 7
Steel 4X7-16324-00-00 X 1 (This is a 3MM Plate for Adjusting stack Height)
Hinson
Friction FP196-8-001
Steel SP073-7-001
Springs EBC CSK14
Barnett
Friction 301-90-10040 X 8
Steel 401-90-063041 X 7
Springs 501-50-06042 x 6
KG Clutch Factory
KGK-5004Y
China Clutches
Friction plate thickness
Standard 2.9 to 3.1 mm (0.116 to 0.124 inch)
Minimum 2.8 mm (0.11 inch)
Steel plate thickness 1.5 to 1.7 mm (0.059 to 0.067 inch)
Steel plate warpage limit 0.1 mm (0.004 inch)
Pushrod bend limit 0.5 mm (0.02 inch)
Spring length (Stock Springs)
Standard 41.2 mm (1.622 inch)
Minimum 40.2 mm (1.582 inch)
OEM Stack Height
Max 36.7mm
Standard 35.2mm
Min 32.9MM
Last Updated on March 24, 2025 by Steven Rhine