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The ''' | {{Motorcycle | ||
|name = Kawasaki G31M | |||
|photo= 1970-Kawasaki-G31M-Green-2.jpg | |||
|aka = Centurian | |||
|manufacturer = Kawasaki | |||
|parent_company = | |||
|production = 1970 - 1971 (4490 total produced) | |||
|model_year = | |||
|predecessor = | |||
|successor = | |||
|class = | |||
|engine = 100cc rotary valve single cylinder [[two-stroke]] | |||
|bore_stroke = | |||
|compression = | |||
|top_speed =65 mph | |||
|power = 18.5 [[hp]] @ 10,500 [[rpm]] | |||
|torque = | |||
|ignition = | |||
|spark_plug = | |||
|battery = | |||
|transmission = | |||
|frame = | |||
|suspension = | |||
|brakes = | |||
|tires = | |||
|rake_trail = | |||
|wheelbase = | |||
|length = | |||
|width = | |||
|height = | |||
|seat_height = | |||
|dry_weight = | |||
|wet_weight = | |||
|fuel_capacity = | |||
|oil_capacity = | |||
|recommended_oil= K-tech 10W-40 | |||
|fuel_consumption = | |||
|turning_radius = | |||
|related = [[Kawasaki F21M]] | |||
|competition = | |||
|manuals = | |||
}} | |||
The '''Kawasaki G31M "Centurian"''' was a 100cc, [[Two stroke|2-stroke]], [[off-road motorcycle]] manufactured by [[Kawasaki]] from 1970 through 1971. | |||
==History== | ==History== | ||
In the early 1970s the highly tuned '''G31M''' was a dominate force in [[Flat Track]], [[Tourist Trophy]] and some [[motocross]] racing along with its larger brother the 250cc [[Kawasaki F21M]]. This model consistently dominated the 100cc class with its unheard of 18.5 [[horsepower]] rated engine. The small tip or "stinger" on the expansion chamber gave the Centurion a distinct sound that is unmistakable to this day. The engine case was slightly different than other Kawasakis with the G31M having a secondary air intake on the carburetor cover. It also required the use of [[bean oil]] as a fuel additive for lubrication. | In the early 1970s the highly tuned '''G31M''' was a dominate force in [[Flat Track]], [[Tourist Trophy]] and some [[motocross]] racing along with its larger brother the 250cc [[Kawasaki F21M]]. This model consistently dominated the 100cc class with its unheard of 18.5 [[horsepower]] rated engine. The small tip or "stinger" on the expansion chamber gave the Centurion a distinct sound that is unmistakable to this day. The engine case was slightly different than other Kawasakis with the G31M having a secondary air intake on the carburetor cover. It also required the use of [[bean oil]] as a fuel additive for lubrication. | ||
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*Parts Catalog No.: 99995- 113 plus 99995-175S | *Parts Catalog No.: 99995- 113 plus 99995-175S | ||
*Shop Manual No.: 99995-201 (SM-1) | *Shop Manual No.: 99995-201 (SM-1) | ||
*Remarks: Motocross type version of the G3TR. The carb cover on the 1971 Centurian had an air filter unique to this model allowing extra air intake. | *Remarks: Motocross type version of the G3TR. The carb cover on the 1971 Centurian had an [[air filter]] unique to this model allowing extra air intake. | ||
<br> | <br> | ||
<br> | <br> | ||
<br> | <br> | ||
==Photo gallery== | ==Photo gallery== | ||
[[Image:1970-Kawasaki-G31M-Green-2.jpg|left|thumb|1970 Kawasaki G31M Centurion in Lime Green]][[Image:1970-Kawasaki-G31M-Green-0.jpg|left|thumb|1970 Kawasaki G31M Centurion in Lime Green]][[Image:1970-Kawasaki-G31M-Green-1.jpg|left|thumb|1970 Kawasaki G31M Centurion in Lime Green]][[Image:1970-Kawasaki-G31M-Green-3.jpg|left|thumb|1970 Kawasaki G31M Centurion in Lime Green]] | [[Image:1970-Kawasaki-G31M-Green-2.jpg|left|thumb|1970 Kawasaki G31M Centurion in Lime Green]] | ||
[[Image:1970-Kawasaki-G31M-Green-0.jpg|left|thumb|1970 Kawasaki G31M Centurion in Lime Green]] | |||
[[Image:1970-Kawasaki-G31M-Green-1.jpg|left|thumb|1970 Kawasaki G31M Centurion in Lime Green]] | |||
[[Image:1970-Kawasaki-G31M-Green-3.jpg|left|thumb|1970 Kawasaki G31M Centurion in Lime Green]] | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
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==References== | ==References== | ||
<references /> | <references /> | ||
{{motorcycle-stub}} | |||
{{Kawasaki}} | |||
[[Category:Kawasaki motorcycles|G31M]] | [[Category:Kawasaki motorcycles|G31M]] | ||
[[Category:1960s motorcycles]] | [[Category:1960s motorcycles]] | ||
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[[Category:100cc displacement motorcycles]] | [[Category:100cc displacement motorcycles]] | ||
[[Category:100cc 2-stroke motorcycles]] | [[Category:100cc 2-stroke motorcycles]] | ||
[[Category:100cc Single cylinder motorcycles]] | [[Category:100cc Single cylinder motorcycles]] | ||
[[Category:Single cylinder motorcycles]] | [[Category:Single cylinder motorcycles]] | ||
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[[Category:2-stroke motorcycles]] | [[Category:2-stroke motorcycles]] | ||
[[Category:Rotary Disc Valve motorcycles]] | [[Category:Rotary Disc Valve motorcycles]] | ||