( VR200 ビッグボアウォータークーラーシリンダー )
Original Size: 63.5 x 62.2 (197 cc)
HARTFORD VR200 oversize water cooler cylinder and air-cooled cylinder
VR200-01065 VR200 65 mm air-cooled cylinder (206.4 cc)
VR200-01066 VR200 66 mm air-cooled cylinder (212.8 cc)
VR200-01066 VR200 67 mm air-cooled cylinder (219.3 cc)
VR200-06067 VR200 67 mm water-cooler cylinder (219.3 cc)
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