Products

Axial 28RR Spec 1 (4.6cc)
The 28RR Spec 1 is a .28 cubic inch big block engine featuring a machined cast aluminum heat-sink head for extra cooling, dual bushing aluminum connecting rod, true ABC chrome sleeve construction for durability, and a three needle 9.0mm slide carburetor (including 8.0 & 8.5mm optional venturi’s) 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.

Axial 28RR Spec 1
  • Size: .28 cubic inch/4.6cc
  • Maximum RPM: 38,500
  • Bore: 18.25mm
  • Stroke: 17.5mm
  • Construction: ABC
  • Heat-sink Head: Green Anodized (optional Grey available)
  • Carburetor: 9.0mm Composite Slide Carburetor (includes optional 8.0 & 8.5mm venturi’s)
  • Carburetor Adjustments: 3 Needle, Flush Settings
  • Case: Black Aluminum, Rear Exhaust
  • Connecting Rod: Dual Bushing
  • Sleeve: 7 port
  • Starting system: Pullstarter
  • Recommended Glow Plug: Cold-5 Power Plug
Features
  • Lower CG engine head with increased cooling capacity
  • True ABC construction
  • Standard button head (optional turbo head available)
  • Pull start included
  • Optional rotostart backplate available
  • Optional bumpstart backplate available for racers (uses AX0090 32 bumpstart backplate)

No. AX0330 Axial .28 RR Spec 1 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


Axial 32 Spec 1s (5.23cc)
The 32 Spec 1s is a .32 cubic inch big block engine featuring a machined cast aluminum heat-sink head for extra cooling, dual bushing aluminum connecting rod, true ABC chrome sleeve construction for durability, and a three needle 9.0mm slide carburetor (including 8.0 & 8.5mm optional venturi’s) 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 .32cubic inch/5.2cc
  • Maximum RPM 34,000
  • Bore 19.5mm
  • Stroke 17.5mm
  • Construction ABC
  • Heat-sink Head Grey Anodized Aluminum
  • Carburetor 9.0mm Composite Slide Carburetor (includes optional 8.0 & 8.5mm venturi’s)
  • 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. AX041 Axial .28 Spec 1s 5.23cc Green
No. AX042 Axial .28 Spec 1s 5.23cc Grey


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