Bike Bug’s lightweight 7.6-pound GX35 is presented as an improved successor to the company’s Aqua Bug trolling motor and is marketed as the “world’s first 360-degree inclinable 4-stroke outboard.” This compact, single-cylinder unit blends portability with design details normally found in larger outboards, aiming to give anglers and small-boat owners an easy-to-handle, efficient option for propulsion and trolling.
Design and engineering highlights
The GX35 uses a 1.3-horsepower engine that Bike Bug describes as a Honda clone. The engine architecture includes a crankshaft supported by ball bearings, a design choice that generally reduces friction and improves rotational stability compared with plain bearing arrangements. An overhead cam layout is employed to provide more direct valve actuation, which typically enhances precision in valve timing. Combined with efficient port configuration and relatively large-diameter intake and exhaust valves, these design elements are intended to improve breathing and maximize the engine’s usable power output for its size.
Carburetion and throttle response
For quicker throttle response, the GX35 is fitted with a carburetor that incorporates an accelerator pump. In practical terms, an accelerator pump injects a brief shot of extra fuel when the throttle is opened, helping to eliminate hesitation and providing faster, more responsive acceleration—useful when maneuvering in tight quarters or when quickly changing speed while trolling.
360-degree inclinable capability
One of the GX35’s headline features is its 360-degree inclinable mounting, a capability Bike Bug promotes as a first for a 4-stroke outboard of this class. The inclinable feature allows the motor to be tilted and rotated through a wide range of positions, offering flexibility for different boating situations: from traditional outboard trim settings to full rotation for storage or for mounting as a dedicated trolling motor. This adaptability can make the unit more versatile on small boats, where space and mounting options are often limited.
Portability and practical use
Weighing in at just 7.6 pounds, the GX35 emphasizes ease of transport and handling. That low weight makes it convenient to carry, mount, and remove from small watercraft, and it can be a practical choice for anglers, skiff owners, and users of lightweight tenders who need a compact auxiliary power option. The combination of modest displacement, a tuned port and valve arrangement, and a carburetor designed for prompt response aims to deliver a balance of usable thrust and control without the bulk of a conventional outboard.
Who will benefit
The GX35 is aimed at boaters who prioritize portability and flexibility: people who need a compact outboard for short trips, quiet trolling, or as a reliable backup motor. Its 4-stroke design offers the typical advantages of that engine family—cleaner operation and generally better fuel efficiency and smoother running characteristics than comparable 2-stroke units—while the inclinable mount increases the number of practical installation configurations.
Price and availability
Bike Bug lists the GX35 at $589. The motor is sold through Bike Bug in Houston; the company’s contact is listed as (713) 962-2681. For reference, the brand name referenced in the product description is bikebug.net as the source of additional product information.
This article originally appeared in the May 2017 issue.