Brand: RETROL
Item Number: R33 Brass Exhaust Pipe EVO Model
Material: Brass, Stainless Steel
Color: Brass, Silver
Overall Dimensions: 150*120*140mm
Engine Dimensions: 120*90*115mm
Wooden Base Dimensions: 150*120*30mm
Scale: 1:5
Weight: 1300g
Form: Ready to Run
Type: Twin-cylinder four-stroke gasoline engine
Displacement: 4.2CC
Cylinder Diameter: 13mm
Stroke: 16mm
Cooling Method: Air-cooled
Starting Method: Drill start/Manual start
Ignition Method: CDI electronic ignition
Spark Plug Type: 3/16-40 Imperial threaded spark plugs
Lubrication Method: Mixed/Splash lubrication (Gasoline/Oil = 25/1)
Fuel Type: 95# Gasoline
Oil Type: 2T Oil
Starting Power: 4.5V AA batteries *3 (not included)

Product Features:
1. This is a miniature gasoline engine model based on the EVOLUTION V-twin motorcycle engine from the 1970s. It's a highly representative engine that embodies the spirit of different eras in a unique way.
2. A retro-styled machine with classic body lines, a cold-cooling structure, a new carburetor design, and a toggle throttle lever, it perfectly replicates the details of a real engine. This is one of the most complex engines we produce.
The retro-styled machine with classic body lines, a cold-cooling structure, a new carburetor design, and a toggle throttle lever features upgraded intake and exhaust valves, resulting in a significant power increase. It perfectly replicates the details of a real engine. This is one of the most complex engines we produce.
3. Every component of the engine has been meticulously designed and machined. It is made of brass and stainless steel and comes with a wooden base for easy placement and operation, ensuring stable operation.
4. The engine is ready to run at any time, including starting and ignition equipment, making it more user-friendly for novice model enthusiasts. You won't be disappointed when it runs. You will be amazed by its excellent performance.
5. It has become a coveted collectible, worthy of display and handling. It's suitable for personal use or as a personalized, high-end model gift for friends and family on important holidays.

Precautions:
1. If the machine fails to start normally when the ignition and cylinder compression are normal, the carburetor needle likely needs adjustment.
2. After tightening the main needle on the carburetor, loosen it 1/4 turn, start the flywheel, and allow the fuel-air mixture to reach the normal operating ratio after several passes.
3. When stopping the machine, the power switch should be turned off.