Ninja 300¶ Kawasaki Ninja 300 Forums Specs¶ Spec page Fuel Capacity¶ 3.8 US gal g Tires¶ Front stock tire specs: `110/70-17 M/C 54S Read stock tire specs: 140/70-17 M/C 66S dia 24.72" rpm@60 815.98 Tire Size thread