.46 TO-BE OB Outboard Marine Engine hex Kit includes Header Springs and

Kit includes Header Springs and Exhaust Gasket

These items are offered as we acquire and offer them to help our RC Boat Hobby NAMBA and IMPBA outboard stock classes

and 21 Lawless/OS Outboard Lower Units will bolt directly to the Novarossi 21 KEEP Outboard Engine

Outboard Unit

.46 TO-BE OB Outboard Marine Engine hex Kit includes Header Springs andBoth Turbo and Standard Head Button versions are available. Factory picture shows optional remote adjustable needle valve on carb (not included and available separately) as most boaters prefer remote needle mounted in a location within the boat and separate from the engine. Requires a 90 degree header. Technical Specifications Displacement: 7,50 cc R. P. M. (max power): 30. 100 RPM Practical range: 3. 000 31. 800 R. P. M. Bore x stroke: 20,85x21,94 mm