Product parameters:
Brand: RETROL;
Item No.: R31;
Material: brass, stainless steel;
Color: Brass, Silver;
Overall size: 150*120*140mm;
Engine size: 120*90*110mm;
Wood base size: 150*120*30mm;
Ratio: 1:5;
Weight: 1200g;
Form: ready to run;
Type: two-cylinder four-stroke gasoline engine;
Displacement: 4.2CC;
Cylinder diameter: 13mm;
Stroke: 16mm;
Cooling method: air cooling;
Start mode: electric drill start/manual start;
Ignition method: CDI electronic igniter;
Spark plug type: 3/16-40 inch threaded spark plug;
Lubrication method: mixed/splash lubrication (gasoline/oil=25/1);
Fuel type: 95# gasoline;
Oil type: 2T engine oil;
Starting power supply: 4.5V AA battery *3 (not included);
Suitable age: 14+;
Packing method: gift box;
Packing list: engine*1, electric drill coupling shaft (starting rod)*1, hand puller*1, spare O-ring*1set, manual*1.
Features:

1. This is a model of a small gasoline engine based on a 1960s V-twin motorcycle shovel engine. It does a great job of capturing the mood of many eras.

2. The machine can recreate the intricacies of the real engine, which is one of the most complex engines we have made. It has a retro aesthetic, classic fuselage lines, a cold cooling system, a novel carburetor design, and a toggle throttle lever.

The vehicle has retro appeal, traditional body lines, a cold cooling system, a brand-new carburetor design, a toggle throttle lever, enhanced intake and exhaust valves, obviously increased power, and the ability to recreate the specifics of the original engine. One of the most complicated engines ever made is this one.

3. We meticulously crafted and constructed every component of the engine. It includes a hardwood base for simple setting and movement, assuring smooth functioning. It is machined from brass and stainless steel.

4. The engine is always ready to operate, complete with ignition and starting equipment, making it more user-friendly for new model aficionados. You won't be disappointed when it works. You'll be astounded by how beautifully it functions.

5. It has grown to be a prized collectible that is worthwhile of showing off and using. It is appropriate for family members whether it is for personal use or as a customised high-end model present to pals on significant holidays.

Precautions:

1. If the machine won't start regularly even with a normal ignition mechanism and normal cylinder compression, the carburetor needle probably has to be changed.

2. Start the flywheel after loosening the carburetor's primary oil needle by 1/4 turn so that the gasoline and air mixture gradually returns to its usual functioning range.

3. The power switch needs to be switched off after the machine stops.