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Dedicated Subsystem WorkbenchPlatform Gen: 2019–2025

sms%3A6572176457 Husqvarna FC 450 Oil Capacities, Coolant & Fluid Specifications

Verified fluid capacities for sms%3A6572176457 Husqvarna FC 450: engine oil 1.20 L (1.27 US qt), viscosity 10W-50 Full Synthetic JASO MA2, coolant 1.20 L (1.27 US qt), brake fluid, and fork oil levels.

Technical PassportOEM VERIFIED
Engine
449.9cc
Cooling
Not Available
Final Drive
520 Chain
Engine Oil
1.20 L (1.27 US qt)
Spark Plug
NGK LMAR9AI-8
Front Tire
80/100-21 51M
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Gen 2019–2025

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2019 through 2025.

Select Model Year:(Active: sms%3A6572176457)
7 Production Years (2019–2025)
Suggested Items4 Verified Workshop Consumables Available for this Job
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Fluids & Service Capacities
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Engine Oil (Drain & Filter Change)1.20 L (1.27 US qt)
Engine Oil (Drain Only)1.15 L (1.21 US qt)
Recommended Oil Viscosity10W-50 Full Synthetic JASO MA2
Coolant System Capacity1.20 L (1.27 US qt)
Brake Fluid StandardDOT 4 / DOT 5.1 Brake Fluid (Brembo Brakes & Brembo Hydraulic Clutch)
Drivetrain, Chain & Gearing
Drive Chain Pitch520
Chain Link Count118 Links
Front Sprocket Teeth13T
Rear Sprocket Teeth51T
Final Drive Configuration520 Pitch Chain
Ignition & Electrical Specifications
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OEM Spark Plug Part NumberNGK LMAR9AI-8
Electrode Spark Plug Gap0.8 mm (0.031 in)
OEM Battery Reference CodeHJTZ5S-FP
Battery Output & Rating12.8V 2.0Ah LiFePO4 Lithium-Ion
Spark Plug Inspection IntervalN/A
Wheels, Tires & Inflation Pressures
Front Tire Dimensions80/100-21 51M
Cold Front Inflation Pressure15 PSI (Cold)
Rear Tire Dimensions120/80-19 63M
Cold Rear Inflation Pressure15 PSI (Cold)
OEM Wheel Rim Widths (F / R)3.50" / 5.50"
Verified OEM Wheel Fitment: 80/100-21 (F) + 120/80-19 (R)
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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 sms%3A6572176457 Husqvarna FC 450 platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.
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 sms%3A6572176457 Husqvarna FC 450 capacities.

Full Kit Subtotal
$74.50
Silkolene Pro 4 4T Synthetic Oil 10W-40 (4 Liter)
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: 1.20 L (1.27 US qt))
Item Price
$68.95
EBC High-Performance DOT 4 Synthetic Brake Fluid
DOT 4 Synthetic Formula

EBC High-Performance DOT 4 Synthetic Brake Fluid

8.8 oz (250 ml) Workshop Bottle
Meets & exceeds factory DOT 4 / DOT 5.1 Brake Fluid (Brembo Brakes & Brembo Hydraulic Clutch) specifications
Item Price
$5.55
Factory OEM Spark Plug Spec

NGK LMAR9AI-8

Gap: 0.8 mm (0.031 in)
Inspection milestone: Not Available. Exact factory part specification.
Authentic OEM Reference
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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
$74.50

Explore Other Subsystems for this sms%3A6572176457 Husqvarna FC 450

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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: HJTZ5S-FP • CCA: 120 • Regulated: 14.0V – 14.4V DC @ 5,000 RPM

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Subsystem Guide/tires

Tires & Gearing

Front: 80/100-21 51M • Rear: 120/80-19 63M

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: 305 mm • Rear Travel: 293 mm

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: N/A • Valves: N/A • Plugs: N/A

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