Dedicated Subsystem WorkbenchPlatform Gen: 2022–2026

2025 Ducati DesertX / DesertX Discovery / Rally Valve Clearance Specs & Shim Calculator

Cold valve clearance specs for 2025 Ducati DesertX / DesertX Discovery / Rally: intake mm, exhaust mm, inspection intervals and replacement shim calculator.

Technical PassportOEM VERIFIED

Engine

937cc

Cooling

Liquid-Cooled

Final Drive

525 Chain

Engine Oil

3.40 L (3.59 US qt)

Spark Plug

NGK MAR9A-J

Front Tire

90/90-21 (Pirelli Scorpion Rally STR)

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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: 2025)
5 Production Years (2022–2026)

2022 2023 2024 2025 2026

Suggested Items4 Verified Workshop Consumables Available for this Job

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Factory Valve Clearance & Shim Calculator

OEM Workshop Tolerances

Cylinder head valve lash specifications, timing TDC mark alignments, and interactive replacement shim calculation engine.

Adjustment Mechanism: Not Available

Active Valve Range (INTAKE)

Nominal Mid-Spec Target

0.15 mm

Ideal cold lash assembly setting

Shim Diameter / Tappet

Bucket-and-shim interface

Measurement Condition

Cold Engine (≤ 35°C / 95°F)

TDC compression stroke only

Interactive Shim Sizing Calculation Engine: New Shim = Current Shim + (Measured Clearance - Target Clearance)

1. Feeler Gauge Measured Clearance (mm)

Factory intake tolerance:

2. Currently Installed Shim (mm)

Measured with micrometer or read laser-etched face

TDC Crankshaft Timing Index

Feeler Gauge Technique

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 2025 Ducati DesertX / DesertX Discovery / Rally platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.