Factory Workshop SpecificationsPlatform Gen: 2015–2026

2018 Indian Motorcycle Scout / Scout Sixty / Bobber / Rogue Specifications & Consumables

Official workshop technical reference: fluid capacities, spark plug codes, drive chain specs, and tire inflation pressures.

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: 2018)

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

Engine

1133cc

Drive

Not Available

Cooling

Liquid-Cooled

Engineering Subsystem Workbenches & Calculators

Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 2018 Indian Motorcycle Scout / Scout Sixty / Bobber / Rogue.

10 Dedicated Engineering Spoke Pages

Subsystem Guide/torques

Fastener Torques

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

Open Dedicated Workbench →

Subsystem Guide/fluids

Fluids & Capacities

Oil: 3.80 L (4.00 US qt) • Coolant: 2.60 L (2.75 US qt) • Brake: N/A

Open Dedicated Workbench →

Subsystem Guide/fuses-relays

Fuses & Relays

Main: N/A • Location: N/A

Open Dedicated Workbench →

Subsystem Guide/compression

Compression & Leakdown

Ratio: N/A

Open Dedicated Workbench →

Subsystem Guide/valves

Valve Clearances

Intake: N/A mm • Exhaust: N/A mm

Open Dedicated Workbench →

Subsystem Guide/fuel-delivery

Fuel Delivery & TB Sync

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

Open Dedicated Workbench →

Subsystem Guide/electrical

Charging & Battery

Battery: YTX20HL-BS

Open Dedicated Workbench →

Subsystem Guide/tires

Tires & Gearing

Front: 130/90B16 67H • Rear: 150/80B16 77H

Open Dedicated Workbench →

Subsystem Guide/suspension

Suspension & Sag

Front Travel: N/A • Rear Travel: N/A

Open Dedicated Workbench →

Subsystem Guide/maintenance

Maintenance Schedule

Oil: N/A • Valves: N/A • Plugs: N/A

Open Dedicated Workbench →

Fluids & Service Capacities

Shop Fluids →

Engine Oil (Drain & Filter Change)3.80 L (4.00 US qt)

Engine Oil (Drain Only)N/A

Recommended Oil ViscosityPolaris PS-4 Extreme 15W-60 Full Synthetic

Coolant System Capacity2.60 L (2.75 US qt)

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

Shop Plugs & Batteries →

OEM Spark Plug Part NumberNGK MR7F

Electrode Spark Plug Gap0.7–0.8 mm (0.028–0.031 in)

OEM Battery Reference CodeYTX20HL-BS

Battery Output & RatingNot Available

Spark Plug Inspection IntervalN/A

Wheels, Tires & Inflation Pressures

Shop Tires →

Front Tire Dimensions130/90B16 67H

Cold Front Inflation PressureN/A

Rear Tire Dimensions150/80B16 77H

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 #24V970000ELECTRICAL SYSTEM:INSTRUMENT CLUSTER/PANEL

▼

Defect Description

Polaris Bulletin I-24-11: 2025 Scout and Scout Sixty rider display may falsely indicate Neutral gear when transmission remains in gear, creating unintended motion hazard.

Safety Hazard / Consequence

False Neutral indication can result in unexpected vehicle movement upon releasing clutch, increasing crash risk.

Factory Remedy & Repair Action

Authorized dealers update the Engine Control Module (ECM) software calibration at no cost.

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

▼

NHTSA #20V454000SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ABS

▼

OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

3 Documented Bulletins

Bulletin #I-18-07Safety Recall Bulletin I-18-07 / NHTSA 20V-454: Indian Scout Front Brake Line Guide Clearance & ABS Evacuation

Source: RCRIT-20V454-3211.pdf

Mandated Torques:Torque: 20 N·m (14.8 lb-ft) (Front & Rear Brake Caliper Banjo Bolts)Torque: 6.8 N·m (60 in-lb) (Handlebar Master Cylinder Clamp Screws)Torque: 10 N·m (88 in-lb) (Caliper Bleeder Screws)Torque: 12 N·m (106 in-lb) (Triple Clamp Brake Line Guide Clamp Bolt)

Consumable Specs:DOT 4 Full Synthetic Brake Fluid (Polaris / Indian Genuine)Isopropyl Alcohol Brake Cleaner

Genuine Part Numbers:220790875196501912496

Safety Bulletin I-18-07 / NHTSA 20V-454Indian Scout Platform

Indian Scout & Scout Bobber Front Brake Line Routing & Hydraulic Architecture

Triple clamp clearance protocol (>= 10mm), dual banjo torques (20 N·m), clamp sequencing (6.8 N·m), and DOT 4 fluid specs.

Click on any highlighted component (Master Cylinder, Banjo Bolts, Triple Clamp Guide, Caliper, or Bleed Nipple) to inspect authentic factory torques and service specs.

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-24-11Safety Recall Bulletin I-24-11 / NHTSA 24V-970: 2025 Indian Scout False Neutral Display Software ECM Calibration Update & 141T Driveline Alignment

Source: RCAK-24V970-1092.pdf

Mandated Torques:Torque: 88 N·m (65.0 lb-ft) (Rear Axle Spindle Nut)Torque: 12 N·m (106 in-lb) (Belt Tensioner Adjuster Jam Nuts)Torque: 90 N·m (66.4 lb-ft) (Rear Driven Pulley Fasteners)

Consumable Specs:Loctite 243 Blue ThreadlockerClean Water Belt Rinsing Agent

Genuine Part Numbers:321118075196502413204

Driveline Maintenance StandardsIndian Scout 141T Driveline

Indian Scout 141T Carbon Drive Belt Deflection & Alignment

Cold belt deflection: 10–12 mm @ 10 lbs, rear axle nut 88 N·m (65 lb-ft), adjuster jam nuts 12 N·m, and rear pulley bolts 90 N·m.

Click on Drive Belt Deflection, Rear Axle Nut, Adjuster Jam Nuts, or Pulley Fasteners to inspect maintenance specs.

Looking for direct-fit parts for this 2018 Scout / Scout Sixty / Bobber / Rogue?

Browse authentic verified parts, motor oils, filters, brake pads, and tires that fit this exact bike.

Browse Direct-Fit Parts