JMT oil temperature gauges / analog display The original oil cap must be replaced with the direct knife. The motorcycle operating temperature is reliably displayed on the instrument. Attention Please carefully compare wire diameter, pitch and level length with the replacement part! Dimensions: - Thread x Pitch: 30 x 1.5mm - Thread length: 11mm - Total needle length: 37mm - Exposed needle length: 15mm No reason for complaint The air bubble in the sight glass ensures the oil damping balance when heated!