28 Spec 1s (4.6cc)

Axial 28 Spec 1s (4.6cc)

The 28 Spec 1s is a .28 cubic inch big block engine featuring a machined billet aluminum heat-sink head for extra cooling, dual bushing aluminum connecting rod, true ABC chrome sleeve construction for durability, and a three needle 8.5mm slide carburetor with a composite body for better performance at higher temperatures. The carburetor features a factory re-set line on the high speed needle, and flush needles making re-setting, to baseline factory specifications, quick and easy. There is also an optional Turbo Button head available.



Specifications

• Size .28cubic inch/4.6cc


• Maximum RPM 36,000


• Bore 18.6mm


• Stroke 16.9mm


• Construction ABC


• Heat-sink Head Grey Anodized Aluminum


• Carburetor 8.5mm Composite Slide Carb


• Carburetor Adjustments 3 Needle, Flush Settings


• Case Black Aluminum, Rear Exhaust


• Connecting Rod Dual Bushing


• Sleeve 8 port


• Starting system Pullstarter


• Recommended Glow Plug Cold-5 Power Plug

No. AX001 Axial .28 Spec 1s 4.6cc Green

No. AX002 Axial .28 Spec 1s 4.6cc Grey