Anyone know where i can buy a tiny tacho to test the rpm on my motor... It will always come in handy but i need to use it to test if my motor is turning the correct rpm as i got a feeling my tacho is buggy as its showing im turning 7000 rpm on my motor since prop change when it use to show 5000 wide open.. I only put it wide open for a second or 2<br /><br />Also just another question shoudl the water coming out of the pee hole be warm to touch or should it be cold... ?<br /><br />Thanks guys 