Using a .21-style crankcase, this powerhouse of an engine delivers over 3 horsepower @ 28,000 rpm's. The Mach .28 features high-quality ABC piston/cylinder construction with SG-style crankshaft and is available in pull- and non-pull-start versions. An oversized machined aluminum head helps aid in cooling and is blue anodized to provide a stylish look. The .28 also features a newly designed slide valve carburetor with the revolutionary
Internal Throttle Return Spring (ITRS) system that closes the carburetor in case of signal failure. The bore of the PRO268202carb has also been increased to 8.5mm for maximum power output. Complete with a #4 glow plug, the engine is ready to bolt into your monster and begin tearing up the competition.Mach .28 without Pull Start SG Crankshaft Features:
Mach .28 without Pull Start SG Crankshaft Specfications:
- Fits most 1/8-scale trucks and buggies
- New 8.5mm carb with Internal Throttle Return Spring (ITRS)
- Long-lasting ABC piston/sleeve and #4 glow plug included
- Oversized heat sink cylinder head for maximum cooling
- Bore: : 18.5mm,18.5mm
- Displacement: : .28 cu. in. (4.57 cc)
- HP: : 3hp @28 000 rpm
- Stroke: : 17mm
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