Dedicated Subsystem WorkbenchPlatform Gen: 2014–2026

2017 Ducati Monster / Monster Plus / 821 / 1200 Suspension Hydraulics, Fork Fluids & Sag Tuner

Front fork travel, rear shock travel, spring preload, damping click baselines, and dynamic rider sag calculator for 2017 Ducati Monster / Monster Plus / 821 / 1200.

Gen 2014–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2014 through 2026.

Select Model Year:(Active: 2017)

2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Engine

937cc

Drive

520 (525 on 821 / 1200)

Cooling

Liquid-Cooled

Suspension Hydraulics, Fork Fluids & Interactive Sag Tuner

Showa • KYB • WP Standards

OEM hydraulic capacities, air-gap measurement standards, clicker baselines, and mathematical rider sag tuning.

Shop 43mm Fork Seals

Fork Architecture

Inverted USD Cartridge (43mm Kayaba)

Oil Volume Per Leg

580 ml (19.6 US fl oz) per leg

OEM Fluid Specification

Shell Advance Fork 7.5W (SAE 7.5W)

Air-Gap Spec (Oil Level)

120 mm (4.72 in) compressed, spring removed

Fork Seal Dimensions

43 x 54 x 11 mm

Total Suspension Travel

Front: 130 mm • Rear: 140 mm

Target Rider Sag: 34 - 40 mm (26 - 31% of 130 mm travel)

Front Preload Baseline

Factory preset non-adjustable

Rebound Damping Baseline

1.5 turns out from fully seated

Compression Damping Baseline

Non-adjustable hydraulic cartridge

Target Free Sag (Unladen)

20 - 25 mm

Enter 3-Point Sag Measurements (mm)

L1: Extended

L2: Static Bike

L3: In Full Gear

Suspension Sag Diagnosis & Geometry Status

Enter your extended, static, and rider measurements on the left (or select a preset) to compute exact sag percentages and spring preload recommendations.

Factory Fluid StandardDirect Spec

Motul Factory Line Fork Oil 7.5W (1 Liter)

Formulated with anti-foam agents and shear-stable viscosity index improvers to prevent damping fade under aggressive riding heat.

Fork & Dust Seal KitExact Stanchion Fit

All Balls Racing 43mm Fork & Dust Seal Kit

Features directional triple-lip rubber seal profile and external garter springs engineered to withstand heavy stanchion flex without weeping.

Air-Gap Tuning PhysicsBottoming Control

120 mm (4.72 in) compressed, spring removed

Trapped air column acts as a progressive spring in final 30% of stroke. Adding +5mm oil increases bottoming resistance without stiffening small bump compliance.

Recommended Maintenance Parts: Motul Factory Line Fork Oil 7.5W (1 Liter) • All Balls Racing 43mm Fork & Dust Seal Kit

Shop Fork Fluids Find Direct-Fit Fork Seals

Official NHTSA Safety Recalls & Technical Bulletins

4 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 4 safety recall campaigns associated with this platform. Independent repair shops and riders should confirm that authorized dealership warranty remedies have been applied.

NHTSA #21V315000SERVICE BRAKES, HYDRAULIC

Received: 01/01/2021▼

Defect Description

Ducati North America (Ducati) is recalling certain 2017-2020 Monster 797, Monster 1200, Supersport, 2016-2020 XDiavel, and 2018-2020 Monster 821 motorcycles. Air may permeate the rear brake system.

Safety Hazard / Consequence

Air in the system may reduce effectiveness of the rear brakes, increasing the distance required to stop and the risk of a crash.

Factory Remedy & Repair Action

Dealers will install new rear brake hoses, free of charge. Owner notification letters were mailed on June 28, 2021. Owners may contact Ducati customer service at 1-888-391-5446.

Manufacturer Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

NHTSA #21V335000SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Received: 01/01/2021▼

NHTSA #18V835000POWER TRAIN:MANUAL TRANSMISSION

Received: 01/01/2021▼

NHTSA #17V812000SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Received: 01/01/2021▼

OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

1 Documented Bulletin

Bulletin #SRV-RCL-21-004Safety Recall 21V-315 & 21V-335 / CR211: Monster 821 & 1200 Low-Permeation Rear Brake Hose & ABS Circuit Retrofit

Source: RCSB-21V315-8478.pdf

Mandated Torques:ABS Control Unit Special Banjo Screws (51 / 55): 25 N·m ± 5% (Certification torque)Rear Master Cylinder Special Screw (53): 25 N·m ± 5% (Certification torque)Rear Caliper Special Screw (57): 25 N·m ± 5% (Certification torque)Swinging Arm Hose Grommet Screws (47): 8 N·m ± 10%Airbox M6x25 Screws: 9 N·m ± 10%

Consumable Specs:DOT 4 High Performance Brake FluidSingle-use Copper Crush Washers (Washers B, C, E, F)Self-Locking Cable Ties (Ties 65 & 66)

Genuine Part Numbers:Brake Hose A (Master Cylinder to ABS Control Unit, Chamfered Fitting)Brake Hose D (ABS Control Unit to Rear Caliper, Reinforced Shield)Copper Sealing Washers DIN 7603

NHTSA Recall 21V-315 & 21V-335Ducati Campaign SRV-RCL-21-004 / CR211

Ducati Monster 821 / 1200 Low-Permeation Rear Brake Hose & ABS Circuit

Rear brake hydraulic circuit retrofit: Low-permeation hoses, banjo screws 25 N·m with copper crush washers, swingarm clips 8 N·m & 10x ABS activation bleed test.

Brembo / ABS Safety RecallBanjo Screws 25 N·m / Bleed 10 N·m

Recall Countermeasure Components:Brake Hose A (Master to ABS)Brake Hose D (ABS to Caliper)Copper Washers B, C, E, FSelf-Locking Ties 65 & 66

NHTSA Safety Campaign 21V-315 & 21V-335 / Ducati SRV-RCL-21-004Monster 821 / Monster 1200 / SuperSport / XDiavel

Explore Other Subsystems for this 2017 Ducati Monster / Monster Plus / 821 / 1200

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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/fluids

Fluids & Capacities

Oil: 3.40 L (3.59 US qt) • Coolant: 2.40 L (2.54 US qt) • Brake: DOT 4

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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: 11.5:1 • Std: 165-210 PSI • Limit: 142 PSI

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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: YT12B-BS (12V 10Ah)

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Subsystem Guide/tires

Tires & Gearing

Front: 120/70 ZR17 (Pirelli Diablo Rosso III / IV) • Rear: 180/55 ZR17 (190/55 ZR17 on Monster 1200)

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: Every 9,000 miles (15,000 km) mi • Valves: N/A • Plugs: Every 18,000 miles (30,000 km) mi

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