This kit allows you to assemble your own internal combustion engine model and learn how it works.
This is the assembly manual for the Haynes HM04R "Build Your Own Internal Combustion Engine" kit, a simplified working model of a four-stroke petrol car engine intended for builders aged 10 and over under adult supervision. The manual explains what the kit contains, how to prepare the parts before assembly, and lists all components including the Engine 2000, electric motor unit, distributor, throttle body, valve springs, screws, shafts and the included screwdriver.
The main section gives step-by-step instructions for building the engine, starting with the sump pan and piston/connecting rod assemblies, then the cylinder block, valves, springs, rocker arms and cylinder head. Later chapters explain how a petrol engine works, basic engine terms, and how to keep a car engine healthy while reducing pollution and saving on fuel. Builders who complete the model can download a Haynes Engineer Certificate from www.haynes.co.uk/engine.
| Recommended age | 10+ years |
|---|---|
| Model number | HM04R |
| Included tool | Screwdriver |
| Included hardware | x67 screws, x8 valve springs, 2 shafts (3mm ø, 156mm and 206mm), 2 washers 9,5mm ø |
| Publisher / copyright | Haynes Publishing, 2015 (first published 2007) |
The kit is for children over 10 years of age only, and must be used under adult supervision.
Yes, the bearings should be lightly oiled with a very light coating of vegetable oil; do not use car engine oil.
If you follow the instructions carefully and complete the model, you can download and print the certificate from www.haynes.co.uk/engine.
The oil filter, cooling system, air filter, connecting rod bearings, piston rings, oil pump, alternator and starter are not fitted; a drive module powered by a small electric motor replaces the starter motor.