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Specialized Turbo Porto 4.0 Service Part Guide

Official service documentation for the Specialized Turbo Porto 4.0 electric cargo bike.

Symbols Legend

Nm: Newton-meters (torque unit)

in-lbf: Inch-pounds (torque unit)

T20 Torx: Specific tool type for certain fasteners.

Hex: Hexagonal wrench size (e.g., 4 mm hex).

Thread-locking compounds: Everseal® 183, Tuflok® blue nylon torq-patch are specified for certain fasteners to prevent loosening.

General Torque Specifications

This section provides essential torque specifications for various components of the Turbo Porto 4.0. Proper torque is crucial for safety and component longevity. Key specifications include torque values in Newton-meters (Nm) and inch-pounds (in-lbf), along with the recommended tool and any specific comments regarding thread-locking compounds or material types.

Example Torque Specifications:

Part Name	Tool	Torque (Nm)	Torque (in-lbf)	Comment
Crank Arm Non-drive Side	8 mm hex	50	443	Brose® 165 mm, Non-drive Side Arm, Alloy; Thread - Tuflok® blue nylon torq-patch
Motor Mounting Nut	13 mm socket wrench	23	203	Nut M8 x 1.25 mm P; Thread - Tuflok® blue nylon torq-patch
Rear Rack Mounting Bolt Rear	6 mm hex	20	177	Bolt M8 x 14 mm x 1.25 mm P; Thread - Everseal® 183
Center Mount Kickstand Mounting Bolt	8 mm hex	40	354	Bolt, M10 x 1.5 P
Battery Charge Port Cover Screws	T20 Torx	3.2	28	M4 x 18 mm x 0.7 mm P; Thread - Everseal® 183

Refer to the full document for a complete list of all torque specifications.

Section 1 - Rear Rack

This section details the assembly and components of the rear rack system, including mounting hardware, bumpers, and integrated lighting or radar mounts. It specifies part names, part numbers, quantities, required tools, and torque settings for secure installation.

Key Components:

Porto Rear Rack Assembly
Rack Bumper
Bolts and Washers for Rack Mounting
Integrated Rear Light
Garmin Radar Mount
Cable Guide
Pannier Rails

Section 3 - Motor

Covers the Brose® motor unit, its mounting hardware, and motor cover components. It includes torque specifications for motor mounting bolts and cover nuts, as well as a schematic of motor port connections and recommended greasing agents.

Key Components:

Specialized 2.2 Mag Motor
Motor Mounting Hardware (Bolts, Washers, Nuts)
Motor Cover Kit (DS and NDS)
Custom Motor Cover Nut
Motor Port Connections (Battery, Speed Sensor, Lights, HMI/Radar)

Section 7 - Battery

Details the battery system components, including the charge port cover, magnetic flap, battery lever, and mounting hardware. Torque specifications are provided for screws and bolts related to the battery and its accessories.

Key Components:

Battery Charge Port Cover
Battery Cover Mount Bracket
Battery Charger Magnetic Flap
Battery Lever
Downtube Battery Seal
Battery Mounts

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