This engine has been developed to be used with a fuel with a maximum of 25% nitro content and with an oil percentage not lower than 10%. We therefore suggest not to use it with different percentages compared to the ones specified here above.
The glow plug of engine is a Turbo type glow plug. Turb glow plugs have a different shape than Standard glow plugs and there for are not interchange able with engines that are using Standard glow plugs!
The crankshaft is made from high quality steel and available in Turbo SG version.
The sleeve is made from hard-chromed brass and has 7 transfer ports. (true ABC construction)
The Carburetor of the PLUS 28 engines are made from plastic and have a sliding throttle valve.
The rear cover presents a round shape, this minimizes the dead space and allows easy access for quick check-up.
Suggested manifolds & tuned pipes:
For this engine there are several tuned pipes available: Manifolds: 41019, 41001, 41005, 41020, 41021. Tuned pipes: EFRA 3004, EFRA 3005, EFRA 9901.
Engine: PLUS 28-7T
Max. Horsepower: 2.85 hp
R.P.M: 33,000 R.P.M.
Practical RPM Range: 6,000 ~ 38,200 R.P.M.
Bore x Stroke: 18.35 x 17.60mm
Bearing Type: Steel
Crankshaft Type: 14mm - SG
Carburetor Type: 9mm Slide
Glowplug Type: Turbo - C6TC
Exhaust Position: Rear
Fuel Type: Advise 25% Nitro