Do not go el-cheapo on the Main Battery. About $250 @ battery world;
YUASA YTZ14S.
I have 1 of the Motobatt batteries to stick in a slightly modified Tiger Racing Gen2 Secondary Battery holder. See how it goes. Had to switch to 24volt starter with 1580cc as the motor didn't want to turn over after it had warmed up, even with BigCC Racing Low Ratio Starter Gear fitted.
YUASA YTZ14S.
I have 1 of the Motobatt batteries to stick in a slightly modified Tiger Racing Gen2 Secondary Battery holder. See how it goes. Had to switch to 24volt starter with 1580cc as the motor didn't want to turn over after it had warmed up, even with BigCC Racing Low Ratio Starter Gear fitted.