Dedicated Subsystem WorkbenchPlatform Gen: 2015–2026

2021 Yamaha YZF-R1 Fuse Box Diagram, Amperages & Relay Diagnostics

Complete fuse box location, blade fuse slot mappings, ISO color codes, blown fuse symptoms and dark current parasitic drain testing for 2021 Yamaha YZF-R1.

Gen 2015–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2015 through 2026.

Select Model Year:(Active: 2021)

2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Engine

998cc

Drive

525

Cooling

Liquid-Cooled

CIRCUIT HEALTH DECKMain: 50A MaxiSpec: < 1.5 mA Quiescent

FUSE BOX, RELAY ASSIGNMENTS & PARASITIC DRAIN ISOLATOR

Fuse & Relay Location: Main fuse box located under rider seat forward of battery; Main 30A/50A fuse on starter solenoid near battery positive terminal.

Select Fuse to Inspect Circuits & Failure SymptomsFormat: Mini Blade (ATM)

15A

SLOT: IGNITION

Ignition & ECU

Rating: 15 Amps

Downstream Protected Components:

ECU LogicIgnition Stick CoilsCrank Position Sensor

Mechanic Diagnostic: Symptoms If Blown

Engine cranks but will not start; no spark generated.

Shop Replacement 15A Fuses

Official NHTSA Safety Recalls & Technical Bulletins

0 Open Campaigns (Clean)

U.S. Department of Transportation compliance database (Title 49 U.S.C. Chapter 301).

Verify VIN on NHTSA.gov

No Active Federal Safety Recalls Reported

The U.S. DOT National Highway Traffic Safety Administration (NHTSA) records zero open safety recall campaigns for the 2021 Yamaha YZF-R1 platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.