Official workshop technical reference: fluid capacities, spark plug codes, drive chain specs, and tire inflation pressures.
Technical PassportOEM VERIFIED
Engine
948cc
Cooling
Liquid-Cooled
Final Drive
525 Chain
Engine Oil
3.50 L (3.70 US qt)
Spark Plug
NGK CR9EIA-9
Front Tire
120/70ZR17
Gen 2017–2026
Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2017 through 2026.
SPECS-TO-CART BUNDLESFactory Direct-Fit Maintenance Bundles Available
1-Click verified Motul engine oil service kits, race filters, spark plugs, and brake fluid pre-measured for this 2021 Kawasaki Z900.
The U.S. DOT National Highway Traffic Safety Administration (NHTSA) records zero open safety recall campaigns for the 2021 Kawasaki Z900 platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.
OEM Workshop Archives
Official Factory Service Bulletins & Field Updates
Reinforcement Brackets Left & Right (Kit 99999-0648)
Genuine Kit # 99999-0648 (Kit, Bracket)
FACTORY WORKSHOP SPECIFICATION:
25 N·m (18 ft·lb, 2.5 kgf·m)
CRITICAL WORKSHOP PROCEDURE:
High-strength steel brackets installed on top of the frame on each side of the tie-rod. Position brackets and torque retaining nuts to 25 N·m to permanently prevent elongation under heavy bottoming loads.
CRITICAL RECALL INSPECTION (Recall 18V-866 / Bulletin MC18-06). Both the rear hydraulic brake hose and the rear wheel rotation speed sensor wire MUST be seated strictly INSIDE the inner channel of the swingarm mud guard.
Interactive Assembly Nodes:
1-Click Factory Service KitOEM Spec Fluid Capacities Matched
Workshop Maintenance Kit & Factory Fluids
Authentic factory-grade motor oil, oil filter, and high-temp brake fluid matched precisely to 2021 Kawasaki Z900 capacities.
Full Kit Subtotal
$74.50
SPECS-TO-CART BUNDLESDedicated Direct-Fit Maintenance Bundles Available
Explore interactive 1-click oil change packs, brake flush kits & major tune-up bundles pre-measured for this 2021 Kawasaki Z900.