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In GNC1, twin-cylinder motorcycles were the primary machines and were used for Mile and Half-Mile circuits while single-cylinder motorcycles were used for Short Track and TT events. Since 2017 the GNC1 class has been replaced by the new
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550-1250cc with the following restrictions: racing-only engines (Harley-Davidson XR750, Honda RS750, and Indian
Motorcycle Race 750) may not exceed 750cc, engines greater than 1000cc are restricted to air/oil cooled.
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http://amaproracing.com/storage/app/uploads/public/573/f5a/763/573f5a76362fc176743707.pdf
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division and combining both singles and twins events in a unified championship.
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The GNC1 class debuted in the 2015 season, replacing the previous
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class, featuring twin-cylinder motorcycles at all events.
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244:300 pounds (136 kg) including fuel.
331:
369:: CS1 maint: archived copy as title (
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314:Dunlop DT3 19-inch flat track tires.
252:Dunlop DT3 19-inch flat track tires.
19:was the premier class in the 2015-16
7:
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115:Testastretta 749, 821, 848, 939
21:AMA Grand National Championship
209:Bonneville 900 (liquid-cooled)
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23:for professional motorcycle
206:Bonneville 865 (air-cooled)
446:
430:Motorcycle racing by type
146:RS750 (race-only engine)
86:Buell Motorcycle Company
27:in the United States.
269:Eligible motorcycles
410:"Common Tread Blog"
396:"Common Tread Blog"
322:Sunoco Supreme 112
300:Engine displacement
260:Sunoco Supreme 112
231:Engine displacement
55:As of May 20, 2016
159:(race-only engine)
126:(race-only engine)
109:Desmodue Evo 1100
25:flat track racing
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345:. Archived from
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120:Harley-Davidson
112:Desmoquattro 748
51:Eligible engines
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340:"Archived copy"
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289:Suzuki RM-Z 450
280:Kawasaki KX450F
277:Husqvarna FC450
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305:Minimum weight
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240:Minimum weight
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352:on 2016-08-16
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354:. Retrieved
347:the original
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321:
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283:KTM 450 SX-F
264:GNC1 Singles
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157:Scout FTR750
106:Desmodue 803
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295:Zaeta 450DT
356:2016-06-02
326:References
286:KTM 450 XC
170:Ninja 650R
65:RSV 1000 R
46:GNC1 Twins
167:Kawasaki
40:AFT Twins
424:Category
365:cite web
203:Triumph
162:Scout 60
81:BMW F800
214:Yamaha
183:Suzuki
74:SXV 550
70:RXV 550
60:Aprilia
197:TL1000
192:SV1000
152:Indian
143:NC700X
140:Honda
135:XR1200
124:XR-750
102:Ducati
32:Expert
350:(PDF)
343:(PDF)
310:Tires
248:Tires
223:FZ-07
187:SV650
129:XG750
371:link
318:Fuel
256:Fuel
175:KTM
93:XB12
17:GNC1
218:TDM
178:LC8
132:883
96:XB3
90:XB9
426::
367:}}
363:{{
72:/
412:.
398:.
373:)
359:.
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