Dedicated Subsystem WorkbenchPlatform Gen: 2022–2026

2026 Indian Motorcycle Chief / Dark Horse / Bobber / Super Chief Oil Capacities, Coolant & Fluid Specifications

Verified fluid capacities for 2026 Indian Motorcycle Chief / Dark Horse / Bobber / Super Chief: engine oil 5.20 L (5.50 US qt), viscosity Indian Motorcycle Semi-Synthetic 20W-40, coolant Air-Cooled (No Radiator Circuit), brake fluid, and fork oil levels.

Gen 2022–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2022 through 2026.

Select Model Year:(Active: 2026)

2022 2023 2024 2025 2026

Engine

1890cc

Drive

Not Available

Cooling

Air-Cooled with Rear Cylinder Deactivation

Fluids & Service Capacities

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Engine Oil (Drain & Filter Change)5.20 L (5.50 US qt)

Engine Oil (Drain Only)N/A

Recommended Oil ViscosityIndian Motorcycle Semi-Synthetic 20W-40

Coolant System CapacityAir-Cooled (No Radiator Circuit)

Brake Fluid StandardNot Available

Drivetrain, Chain & Gearing

Gearing Calculator →Shop Chains & Sprockets →

Drive Chain PitchBelt Drive

Chain Link Count141-Tooth Carbon-Fiber Reinforced (28mm width)T Belt

Front Sprocket TeethN/A

Rear Sprocket TeethN/A

Final Drive ConfigurationCarbon Belt Drive

Ignition & Electrical Specifications

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OEM Spark Plug Part NumberNGK DCPR8E

Electrode Spark Plug Gap0.8–0.9 mm (0.031–0.035 in)

OEM Battery Reference CodeYTX20HL-BS

Battery Output & RatingNot Available

Spark Plug Inspection IntervalN/A

Wheels, Tires & Inflation Pressures

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Front Tire Dimensions130/90B16 67H (Chief Bobber) / 130/60B19 61H (Chief Dark Horse)

Cold Front Inflation PressureN/A

Rear Tire Dimensions180/65B16 81H

Cold Rear Inflation PressureN/A

OEM Wheel Rim Widths (F / R)3.50" / 5.50"

Official NHTSA Safety Recalls & Technical Bulletins

3 Active Campaigns

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

Verify VIN on NHTSA.gov

The U.S. National Highway Traffic Safety Administration reports 3 safety recall campaigns associated with this platform. Independent repair shops and riders should confirm that authorized dealership warranty remedies have been applied.

NHTSA #22V837000FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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Defect Description

Polaris Bulletin I-22-06-A: Fuel pump module in 2022 Chief models may seize under high operating temperatures.

Safety Hazard / Consequence

Engine cutout and stall without ability to restart immediately while riding.

Factory Remedy & Repair Action

Dealers replace fuel pump module (PN 2522501) and seal (PN 5414830) torqued to 5 N·m in star sequence.

NHTSA #19V882000ELECTRICAL SYSTEM:FUSES AND CIRCUIT BREAKERS

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NHTSA #16V446000ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

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OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

3 Documented Bulletins

Bulletin #I-22-06Safety Recall Bulletin I-22-06 / NHTSA 22V-837: Indian Scout & Chief High-Pressure Fuel Pump Module & Viton Flange Gasket (PN 5414830)

Source: RCRIT-22V837-8454.pdf

Mandated Torques:Torque: 5 N·m (44 in-lb) (Fuel Pump Flange Screws - Star Tightening Pattern)Torque: 10 N·m (88 in-lb) (Fuel Tank Front Mount Screws)Torque: 24 N·m (17.7 lb-ft) (Fuel Tank Rear Pivot Bolt)

Consumable Specs:Genuine Viton Fuel Tank Flange GasketFuel Line Quick-Disconnect O-Ring Lubricant

Genuine Part Numbers:252250125217335414830

Recalls 22V-837 & 19V-882Thunderstroke 111 / 116 Platform

Indian Thunderstroke Fuel Pump & 10A Circuit Breaker Architecture

Fuel pump star torque sequence (5 N·m), red-dot circuit breaker triad (PN 4011371), tank mounts (10 N·m), and dual drain plugs (20 N·m).

Click on Fuel Pump Flange, Viton Seal, Tank Mounts, 10A Circuit Breakers, or Dual Drain Plugs to view technical specs.

Bulletin #I-19-05Safety Recall Bulletin I-19-05 / NHTSA 19V-882: Indian Heavyweight & FTR 1200 10A Circuit Breaker Triad Upgrade (PN 4011371)

Source: RCRIT-19V882-6411.pdf

Mandated Torques:Torque: 8.5 N·m (75 in-lb) (Right V-Cover Chrome Fasteners)Torque: 5 N·m (44 in-lb) (Fuse Box Carrier Bracket Screws)

Consumable Specs:Dielectric Silicone Terminal Grease

Genuine Part Numbers:40113714011371-RD2411993

Recalls 22V-837 & 19V-882Thunderstroke 111 / 116 Platform

Indian Thunderstroke Fuel Pump & 10A Circuit Breaker Architecture

Fuel pump star torque sequence (5 N·m), red-dot circuit breaker triad (PN 4011371), tank mounts (10 N·m), and dual drain plugs (20 N·m).

Click on Fuel Pump Flange, Viton Seal, Tank Mounts, 10A Circuit Breakers, or Dual Drain Plugs to view technical specs.

Bulletin #I-16-02Safety Recall Bulletin I-16-02 / NHTSA 16V-446: Thunderstroke 111/116 3-Cam Engine Misfire & Exhaust Temperature ECM Calibration

Source: RCAK-16V446-3002.pdf

Mandated Torques:Torque: 18 N·m (13.3 lb-ft) (NGK DCPR8E Dual Spark Plugs)Torque: 11 N·m (97 in-lb) (Rocker Arm Carrier & Pushrod Lifter Blocks)Torque: 20 N·m (14.8 lb-ft) (Dual Oil Drain Plugs - Sump & Transmission)

Consumable Specs:Polaris PS-4 Extreme 15W-60 Synthetic Oil (5.20 L)Dielectric Spark Plug Boot Grease

Genuine Part Numbers:NGK DCPR8E54146115414612

Factory Engineering SpecificationThunderstroke 111 / 116 ci

Indian Chief Thunderstroke 3-Cam Gear Train & Pushrod Valvetrain

Helical gear-driven 3-cam valvetrain, zero-lash hydraulic roller lifters, dual-plug heads (18 N·m), and 11 N·m rocker/lifter torque specs.

Click on Crank Pinion, 3-Cam Gears, Hydraulic Lifters, Pushrod Tubes, or Dual Spark Plugs to view technical specs.

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 2026 Indian Motorcycle Chief / Dark Horse / Bobber / Super Chief capacities.

Full Kit Subtotal

$68.95

10W-40 JASO MA2

Silkolene Pro 4 4T Synthetic Oil 10W-40 (4 Liter)

4-Liter Factory Full Jug

Matches factory 10W-40 spec (Oil spec: 5.20 L (5.50 US qt))

Item Price

$68.95

Factory OEM Spark Plug Spec

NGK DCPR8E

Gap: 0.8–0.9 mm (0.031–0.035 in)

Inspection milestone: Not Available. Exact factory part specification.

Authentic OEM Reference

Search OEM Plugs →

Complete Workshop Maintenance Package3 Essential Service Items

Includes 10W-40 JASO MA2 engine oil (4-Liter Factory Full Jug), high-flow filter & DOT 4 fluid.

Kit Total

$68.95

Explore Other Subsystems for this 2026 Indian Motorcycle Chief / Dark Horse / Bobber / Super Chief

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Subsystem Guide/torques

Fastener Torques

Engine drain plug, axle spindles, caliper mounts, triple clamp pinch bolts & thread lubrication derating guide.

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Subsystem Guide/fuses-relays

Fuses & Relays

Main: N/A • Location: N/A

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Subsystem Guide/compression

Compression & Leakdown

Ratio: N/A

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Subsystem Guide/valves

Valve Clearances

Intake: N/A mm • Exhaust: N/A mm

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Subsystem Guide/fuel-delivery

Fuel Delivery & TB Sync

Idle: N/A • Rail Pressure: N/A • Vacuum: N/A

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Subsystem Guide/electrical

Charging & Battery

Battery: YTX20HL-BS

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Subsystem Guide/tires

Tires & Gearing

Front: 130/90B16 67H (Chief Bobber) / 130/60B19 61H (Chief Dark Horse) • Rear: 180/65B16 81H

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: N/A • Rear Travel: N/A

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: N/A • Valves: N/A • Plugs: N/A

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