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Owner: herberpower
Dominates Everything: 1988 Honda NX650 Dominator
Displacement: 644 L
Fuel type: gasoline
Transmission: manual
Curb weight: 370 lbs
Coefficient of drag: 0
Frontal area: 0 sq.ft.
Instrumentation:
Description: Single cylinder air-cooled engine .

Model trail , used by city road , and less on the mountain .
Build Thread:
Current Mods: Restoration of the recent motor.

Verifying system cylinder and piston , rings change .

I lowered cylinder .
Before compression ratio 8.3 / 1, after 9.5 / 1

I do not recommend this, the camshaft adjustment is not well regulated , the chain of distribution is less tension.

It is better to change the piston with a higher compression , 2 millimeters taller.

Crown trasmision smaller , to run at lower rpm .

Rebuilt carburetor, changed the needle housing to stay two millimeters below, for poorer Carburetion half load .

Widest rear tire before 2.5 " , now 3.0". To make better use of the tire edges corners , ten percent more tread the ground with the same tire .

Fuel tank modified with more capacity. Two liters more per tank. (06/11/2014)

Planned Mods:
Official Fuel Economy Ratings
EPA city 34.59 mpg(US)
EPA highway 37.34 mpg(US)
EPA combined 34.59 mpg(US)

Actual Fuel Economy Performance
Lifetime 47.63 mpg(US)
Last 3 tanks 48.14 mpg(US)
90 days 50.55 mpg(US)
View Fuel Log
Last updated: Jul 04, 2016

(Created: 2014-09-18 19:51:30 / Modified: 2016-07-07 09:57:15)


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