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Ryland · 08-19-2009, 11:28 AM

with an under drive pulley your alternator is not going to charge at idle, they are used mostly for racing where the engine is running near red line.

08-19-2009, 11:28 AM	#4 (permalink)
Ryland Master EcoModder Join Date: Jan 2008 Location: Western Wisconsin Posts: 3,903 honda cb125 - '74 Honda CB 125 S1 90 day: 79.71 mpg (US) green wedge - '81 Commuter Vehicles Inc. Commuti-Car Blue VX - '93 Honda Civic VX Thanks: 867 Thanked 434 Times in 354 Posts	with an under drive pulley your alternator is not going to charge at idle, they are used mostly for racing where the engine is running near red line.