Force 25 (HPI F4.1) Car/Truck Engine With Pullstart

Brand: Force

Part No: 4476530

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The Force 25 (HPI F4.1) Car/Truck Engine with Pullstart is a .25-class 4.0cc nitro engine designed for RC cars and trucks. Featuring a rear exhaust layout and pull start system, it provides a practical operating range from 3,000 to 38,000 rpm with an output of 2.39 PS at 30,000 rpm. Finished in silver, this engine delivers a straightforward, durable setup for enthusiasts seeking a 25 ABC configuration.

Key Features

Displacement: 4.00 cc (.25 class)
25 ABC construction
Rear exhaust configuration
Pull start starting system
Output: 2.39 PS at 30,000 rpm
Practical operating range: 3,000–38,000 rpm
Colour: Silver

Technical Specs

Part number: 4476530
Shipping weight: 0.52 kg (1.15 lbs)

Suggested Compatibility

RC cars and trucks designed for .25-class nitro engines with a rear exhaust and pull start
HPI platforms that originally used an F4.1 engine (suggested compatibility)

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Force 25 (HPI F4.1) Car/Truck Engine With Pullstart Key Features:

Bore -
C.C. - 4.00
Output - 2.39(PS) @ 30000rpm
Practical RPM range - 3,000~38,000
Stroke -
Type - 25 ABC,rear exhaust, pull start,
Weight -

Manuals & Parts Explosions:

Force 25 (HPI F4.1) Car/Truck Engine With Pullstart Tech Specs:

Shipping Weight: 0.52kg / 1.15lbs

Age Recommendation: 14+
Colour: Black

Key Info:

Brand: Force
Part No: 4476530
Barcode: 5051121008494
Displacement: 4.1cc (0.25ci)
Starter: Pull Start

Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

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Questions & Answers

Real questions from real customers. Why not ask your own?

Which roto start motors can I use on thus if I can?

Rohail / 1st January 2026

This system will fit

FT02623F

Steve @ Wheelspin Models

Hi, this came without a glow plug, should it have? If so what should it have had?

James Thom / 2nd August 2025

No they are not included we suggest this one FAST760-5

Steve @ Wheelspin Models

Will this fit in a hpi bullet

Tristan Fish / 5th February 2023

No, this is a big block engine and you need a small block, the biggest you could fit would be this one HPI-107824

Si @ Wheelspin Models

Will this engine fit in a 1/10th Ftx carnage?

Luke Vernon / 12th October 2022

No sorry, this will be too big.

Ben @ Wheelspin Models

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