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Creator Develops Handcrafted Motorcycle With Ferrari Engine and Extreme Performance, Turning Heads With Power, Unconventional Engineering and Design Inspired by Competitions.
The American builder Maxwell Hazan constructed in his own workshop in Los Angeles, the HF355, a handcrafted motorcycle equipped with a V8 engine from the Ferrari F355, estimated power of 375 hp, and a weight of around 250 kg.
With these numbers, the power-to-weight ratio of the project surpasses that of a modern Formula 1 car, something rare even in the world of high-performance motorcycles.
Ferrari F355 Engine Adapted for Motorcycle
The HF355 is built around a block that was originally designed for an Italian street sports car.
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The heart of the model is a 3.5-liter V8 engine from the Ferrari F355, with five valves per cylinder, titanium connecting rods, and a compression ratio of 11:1.
In the car, this setup already delivered outstanding performance.
Transplanted into a handcrafted motorcycle, the same engine takes on an even more radical role.
Hazan explains that the aim was always to go beyond just a simple exercise in style.
“Each motorcycle I create is unique, made by me, in my workshop.
I never repeat a design.
I try to build something new with each project and make it as elegant as possible,” says the builder, in a statement to a website specializing in custom motorcycles.
Besides the power, what stands out is the way the engine has been integrated into the assembly.
Instead of adapting the V8 to an existing structure, Hazan designed the motorcycle around the engine, treating it as the central element of engineering rather than just a component.
Structure Without Chassis and Focus on Weight Reduction
From the outset of the project, Hazan defined weight as the main enemy.
Instead of resorting to a traditional frame, he chose to eliminate the concept of a separate chassis.
In the HF355, the engine and gearbox act as the structure, and the other components are bolted directly to them.
The fuel tank also participates in the structural solution, functioning as a kind of subframe.
The builder reports that the V8, without accessories and without a flywheel, weighed about 107 kg, which opened up space for an extremely sleek design around it.
“This engine, without accessories or flywheel, weighed 107 kilograms.
Nothing more was needed.
Each piece was designed to make the most of the available space,” he explains.
With this engineering work, the motorcycle reaches approximately 250 kg of weight for 375 hp of power.
The result leads to a power-to-weight ratio close to 1,360 hp per ton, a figure that exceeds the estimated value for a modern Formula 1 car, around 1,297 hp per ton.
Even with a mass greater than that of a thousand cc super-sport bike, the assembly is much more extreme in relative power, which helps explain the interest the model provokes among enthusiasts and experts.
Programmable Electronics and Eight Throttle Bodies
To control a high-revving car engine in a motorcycle, Hazan turned to custom electronics.
The HF355 uses a fully programmable MS3 Pro ECU, specifically configured for this project.
The builder adopted an Alpha N type map, a solution indicated for engines with individual throttle bodies.
In practice, the V8 works with eight throttle bodies, one for each cylinder, which requires careful calibration but ensures immediate throttle response.
Hazan compares the behavior to that of flat-slide carburetors.
“It’s like switching from CV carburetors to flat-slide carburetors.
Instant response,” he summarizes.
All electronic components were assembled manually, following the same concept as the rest of the motorcycle.
Nothing is generic, and each system is designed to make the most of the mechanical set-up without compromising basic reliability.
Temperature Control With Four Fans
One of the challenges of adapting a car engine for a motorcycle is heat management.
In the car, the V8 from the F355 operates in a closed compartment, surrounded by air conditioning, catalytic converters, and thermal insulation.
On the motorcycle, the scenario is completely different, with the assembly more exposed and airflow distinct.
Hazan states that thermal behavior is more controllable than one might think.
“This engine doesn’t generate as much heat because it doesn’t retain it.
In the car, it was isolated between the air conditioning and the catalytic converters.
Here, with a radiator under the engine, four electric fans and a dry sump system, it works perfectly,” he explains.
The radiator is installed under the engine, in a position that favors airflow, while the four electric fans are activated according to the ECU’s management.
The dry sump lubrication system helps maintain oil pressure and temperature under control and frees up space for component installation.
Carbon Fiber Bodywork Inspired by Moto2
The visual and aerodynamic aspects match the level of sophistication of the mechanical assembly.
The HF355 utilizes a carbon fiber body inspired by Moto2 bikes, handcrafted by Hazan himself.
Each panel, from the front fairing to the rear section, was produced as a unique piece.
The builder reports that the process was labor-intensive but resulted in a significant weight reduction.
“It was hard work to do all this, but in the end, this part weighs about three kilograms in total,” he says.
The design prioritizes a sporty riding position, with a low front and elevated rear, while also exposing part of the V8, visually reinforcing that this is an unusual engine for a motorcycle.
The goal is to bring the HF355 closer to a track superbike, even though it is a unique piece, with no plans for mass production.
One Year Until the Motorcycle Hits the Streets
According to Hazan, the project took about one year from the initial stage, when the motorcycle was little more than two wheels and an engine, to the current stage, where the HF355 is fully functional.
This is not a static model or a digital rendering.
The model has already been filmed running on the streets of Los Angeles and presented at specialized events.
The sound of the Italian V8, filtered through a handcrafted exhaust, reinforces the connection between the world of four-wheeled supercars and high-performance motorcycles.
At gatherings and exhibitions, the model often captures the attention of curious onlookers, engineers, and customization fans.
By combining a celebrated engine, unconventional engineering, and detailed handcrafted execution, how far can individual projects like this influence the future of high-performance motorcycles?
Assistir muito os video dele fazendo essa moto no tik tok o cara e muito bom no que faz viu , pra quem gosta e um espetáculo…
Acredito que não faça curvas ou seja muito ruim, além de estar com as correias sem proteção, próximas as mãos!
O motor deve esquentar muito e queimar a perna do piloto da moto , manter o equilíbrio também deve ser difícil , acho que esse motor caberia melhor numa moto de 3 rodas .