Join Date: Jun 2015
Location: West Chester, Pa.
If you have a multi-meter, set it up for 12 volts DC and above, and check the battery before you try and start the engine. The battery should at least be 12 volts at this point. If it is less, charge it back up. With a fully charged battery, start the engine and test the voltage with the engine running. it should be around 13.5 or more volts above 3,000 RPM. If the voltage does rise up as stated, the charging system is ok. If the voltage never reaches 13.5 volts with the engine running above 3,000 rpm's, something is out of order with either the stator or regulator. If so, follow the guide lines in the forum to test those components.
If the charging system is ok, and the battery looses it's charge overnight, the battery is old and needs replaced. Generally a battery does not last more than 2 to 3 years on a motorcycle unless it is a high-end battery.
'99 VN750, all stock
performed driveshaft maintenance
checked the ACCT using the Grambo Trick
Sycned carbs with flow meter
Yuasa YTX14AHL-BS AGM Battery
NGK DPR7EIX-9 Irridium Spark Plugs