The X38 Golden Eagle Kit – 38cc 4 Stroke Engine – 36 Spoke

5.00 out of 5 based on 19 customer ratings
(19 customer reviews)

$559.00 – FREE Shipping!

Golden Eagle 38cc 4 Stroke Bicycle Engine Kit

Bicycle Motor Kit FAQ’sMotorized Bicycle Kit Installation
Will this bike engine kit fit my bicycle?

Our NEWEST four stroke bicycle engine is the latest and greatest! We’ve been working direct with the same manufacturers, in the same plants where Honda, Robin and Subaru are built. Our new 38cc mini 4-stroke sets a new bar for quality and value. What’s amazing is the fact we’ve put together a fantastic kit that’s not just more affordable – it’s the biggest and most powerful 4 stroke yet! More power for the hills and trails – or simply commuting a little faster, the Golden Eagle will get you there.
Fits 24″ – 26″ bicycle wheels.

Shipping Included for contiguous US only – additional charges apply for HI, AK and International shipments.

Out of stock

SKU: 36 spoke. Category: .

Product Description

Golden Eagle Bike Motor Kit

Our Bicycle Motor Kit come with everything needed to mount
the engine to your bike and hit the road!
bicycle motor kits


A. Drive Ring
B. Belt
C. Lower Mount Strap
D. Safety Cover
E. Front Mount Strap
F. Engine w/mount bracket & drive assembly
G. Trigger Throttle, cable attached
H. Kill Button, wire attached
I. Oil – for 2-strokes only
J. 4in1 Ring/Spoke/Gear Key
K. Nuts, bolts, washers, Clutch Knob & Zip-Ties

Golden Eagle Kit with 38cc Mini 4 Stroke


Our NEWEST bike engine kit is the latest and greatest! We’ve been working direct with the same manufacturer, at the same plants where Honda, Robin and Subaru are built. We’ve beefed up the clutch, bigger bore and bigger carburetor – to surpass even the Honda GX35 in performance and durability. Our new 38cc mini 4-stroke raises the bar for quality and value – not to mention it has power to spare! The motor is very responsive, has a smooth power curve and won’t break the bank.

We want to make our kits more accessible to everyone and know that it’s a sizable investment but you can rely on Golden Eagles 15 years of experience to deliver a superior product and we stand behind all our kits.

Advanced Technology

Full 360° “any-side-up” operation – use and store in any position
4-stroke – no fuel/oil mixing
Rotary-slinger lubrication system

Fuel Efficient, High Output Operation

Approximately half the operating cost of comparable 2-stroke engines.
Efficient port configuration and large diameter valves maximize power.
Lighter, more rigid valve train.
Carburetor equipped with accelerator pump for fast, easy acceleration.

Smooth Performance

Precision engineered components result in lower vibration
Lighter piston minimizes vibration
Ball bearing supported crankshaft for greater stability
Roller bearing supported connecting rod

Emissions Compliant

CARB and EPA certified
No catalyst necessary

Exceptionally Quiet

Belt-driven OHC design reduces mechanical noise
Large capacity, multi-chamber exhaust system
Sophisticated air intake system

Proven Reliability

High quality materials, fit, and finish
Lifetime timing belt design
Integrated fuel system protection
Diaphragm carburetor

Easy to Use and Maintain

Easily accessible spark plug
Easy to drain and re-fill oil
No mixing of gas and oil

Easy Starting

Exhaust decompression system
Unique low inertia design

Approximately half the operating cost of most 2-stroke engines

Efficient 4-Stroke technology not only offers superior fuel economy, it also requires no mixing of oil in the engine’s fuel supply. This substantially reduces both oil consumption and the emission of unburned oil in the exhaust.

Built-in passages effectively return the circulated oil to the oil reservoir from every part of the engine. An oil return port positioned in the center of the reservoir prevents oil from accidentally flowing into the combustion chamber.

The results include better all-around environmental performance and operating costs that actually decrease the more the engine is used!

Belt-driven OHC design

In addition to the milder operating noise of Four Stroke engines in general, the Mini 4 strokes belt-driven OHC design further reduces unpleasant mechanical noise. Its lighter piston and other moving parts help keep vibration to a comfortable level.

Engine Specs

Engine Type = Air-cooled 4-stroke OHC
Bore x Stroke = 39 mm x 30 mm
Displacement = 36.3 cm3
Net Power Output = 1.5 HP (1.2 kW) @ 7,000 rpm
Net Torque = 1.2 lb-ft (1.6 Nm) @ 5,500 rpm
PTO Shaft Rotation = Counterclockwise (from PTO shaft side)
Compression Ratio = 8.0:1
Carburetor = Diaphragm-type (overflow return)
Ignition System = Transistorized magneto
Starting System = Recoil
Lubrication System = Crankcase pressure–driven
Governor System = NA
Air cleaner = Semi-dry
Oil Capacity = 3.4 US oz (100cc)
Fuel = Unleaded 86 octane or higher
Fuel Tank Capacity = 0.65U.S. qt (.60 liter)
Dry Weight = 7.8 lb (3.8 kg)


Length = 8.0″ (204mm)
Width = 9.2″ (234mm)
Height (min) = 9.4″ (230mm)

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