This is the Ofna/Picco .26 (4.2cc) Engine with Pull-Start for the
Traxxas T-Maxx or Revo.
FEATURES: Specifically engineered as a direct replacement for the stock Traxxas
T-Maxx or Revo engine
Uses existing Traxxas clutch assembly, manifold, and pipe
Slide Valve Carburetor
Black in color with anodized aluminum Blue cylinder head
INCLUDES: One Ofna/Picco .26 Engine for the Traxxas T-Maxx carburetor,
and carb mounting hardware
REQUIRES: Glow plug (OSMG2693)
Car fuel with 10% -20% nitro content and at least 18% lubricant
content
Mount: OFNG1530 (T-Maxx)
OFNG1531 (Revo)
SPECS: Size .26 cu in (4.2cc)
Horsepower: 2.5
RPM: 32000
Crankshaft: SG (pilot)
Piston and Liner Construction: ABC
Exhaust: Rear
Ports: 5
Distance between mounting holes same side: .87" (22mm)
Distance between mounting holes opposite side: 1.4" (37mm)
Height from bottom of crankcase to top of cylinder head: 4.1" (105mm)
Length from back of crankcase to front bearing: 2.2" (56mm)
Length from back of crankcase to end of crankshaft: 3.3" (83mm)
Length from center of crankcase to end of crankshaft: 2.5" (65mm)
Width of mounting ears: 1.7" (44mm)
Air filter size: 16mm
COMMENTS: Normal operating temperature: 220-270° F
Engine Parts
None are carried and must be ordered from Ofna.
Head 51344 One way bearing 51482 Hi Speed needle holder 51455
Head Bolt 51331 Pull-start 51321 Hi Speed needle 51352
Head Button 51450 Pull-start screw 51493 Throttle stop screw 51483
Head Gasket 51342 Starting Shaft 51480 Throttle stop spring 51420
Piston/Sleeve 51442 Adapter Plate 51481 Carb Body gasket 51350
Piston Pin ret 51440 Adapter O-ring 51316 Carb gasket 51523
Piston Pin 51439 Adapter screw 51317 Low Speed needle 51488
Con Rod 51441 Carb Complete 51349 Low Speed needle O-ring 51487
Exhaust O-ring 51478 Carb Body 51350 Barrel boot 51415
Inner Bearing 51475 Carb Barrel 51353 Thottle lever 51351
Outer Bearing 51477 Fuel inlet 51401 Throttle lever set screw 51409
Crank Shaft 51474 Fuel inlet gasket51408 Hi Speed needle O-ring 51402
ajw 5/31/05
ir/jxs