Back to Bike FinderYears: 1931 · 1930 · 1929
Henderson KJ Streamline
1931Allround

Henderson KJ Streamline

Key specifications

Engine
1301 cc
Power
40 HP
Fuel type
petrol
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1931 Henderson KJ Streamline, a striking embodiment of the art deco era that redefined the motorcycle landscape in the early 20th century. Positioned as a luxurious all-rounder, the KJ Streamline was not just a means of transportation; it was a statement piece for the discerning rider. With its sleek lines and elegant design, the KJ Streamline captured the imagination of motorcycle enthusiasts and collectors alike, standing as a testament to Henderson's commitment to quality and innovation during a transformative time in motorcycle history. At the heart of the KJ Streamline lies a robust in-line four, four-stroke engine with a displacement of 1301 cc (79.39 cubic inches) that churns out an impressive 40 horsepower at 4000 RPM. This powerful engine enables the KJ to reach exhilarating top speeds of up to 164 km/h (101.9 mph), making it a formidable contender on the open road. Riders are greeted with a smooth and responsive throttle, allowing for confident handling, whether navigating city streets or cruising along country highways. The KJ's carburettor fuel system ensures consistent performance, while the chain final drive provides an efficient transfer of power to the rear wheel, enhancing the overall riding experience. The KJ Streamline is not just about performance; it also boasts a range of key features that highlight its advanced engineering for the time. The motorcycle comes equipped with expanding drum brakes both front and rear, providing reliable stopping power that inspires confidence in various riding conditions. Its visually striking design, characterized by streamlined fenders and an aerodynamic silhouette, was ahead of its time, making the KJ a true head-turner. The thoughtful integration of style and function ensures that the KJ Streamline remains an icon of motorcycle history, loved by collectors and enthusiasts. **

Pros

  • Powerful Engine Performance: The in-line four engine delivers impressive horsepower and top speeds, making it suitable for both leisurely rides and spirited journeys.
  • Elegant Design: The art deco styling of the KJ Streamline is not only visually appealing but also a reflection of its innovative engineering, attracting attention wherever it goes.
  • Smooth Ride Quality: The well-balanced chassis and effective suspension allow for a comfortable and stable ride, enhancing the overall experience.

Cons

  • Limited Spare Parts Availability: As a vintage motorcycle, finding specific replacement parts can be challenging, which may hinder maintenance for some owners.
  • Weight Distribution: The KJ Streamline, while robust, can feel heavy to some riders, particularly during low-speed maneuvers or in tight spaces.
  • Period-Correct Technology: The motorcycle lacks modern safety features and conveniences found in contemporary bikes, which may deter riders used to modern standards.

Technical details

Source specification data

Make
Henderson
Model
KJ Streamline
Category
Allround
Power
40.00 HP (29.2 kW)) @ 4000 RPM
Top Speed
164.0 km/h (101.9 mph)
Fuel System
Carburettor
Displacement
1301.00 ccm (79.39 cubic inches)
Engine Details
In-line four, four-stroke
Exhaust System
Side exhaust valve four - cylinder
Transmission Type Final Drive
Chain
Seat
Single
Wheels
Spoked
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)