I have purchased many engine kits from BGF in the past few years but the last two are giving me serious engine troubles. Wondering if any of you out there have had the same issues? Z280 and a Z80.
1. The set screw for the flower nut on the clutch ground into the clutch cover at start up! Terrible noise to say the least. Ended up the clutch gear was not tightened up properly and I needed to add another gasket- not to major.
2. Once the engines are warmed up the piston sounds like it hits the cylinder head at near full rpm. These two engines have a different head on them. This is the first time I've seen them. Very shallow combustion chamber and the spark plug is way up inside. On the first engine I just swaped heads to a pk80 style and problem gone. On the engine I'm working with now the engine is making a clicking sound? I've changed the heads back and forth, tried thicker base gaskets, swaped intakes and carbs to see if it was a vacuum leak but with all the messing around it still clicks and just flat out refuses to idle. Just touching the idle adjustment screw sends the idle rpm high then it dies. I was sure it was a vacuum leak but I've changed everything and the problem is still there.
I have sent BGF a message via ebay but I'm just stumped as to what the problem is? Just a bummer because I really need to get this bike running right for a customer. Any sugestions or similar experience with these kits would be much appreciated. I believe these kits are the Z80 what ever that is supposed to mean and the one I just swapped the head on to remedy the problem was a Z280.
1. The set screw for the flower nut on the clutch ground into the clutch cover at start up! Terrible noise to say the least. Ended up the clutch gear was not tightened up properly and I needed to add another gasket- not to major.
2. Once the engines are warmed up the piston sounds like it hits the cylinder head at near full rpm. These two engines have a different head on them. This is the first time I've seen them. Very shallow combustion chamber and the spark plug is way up inside. On the first engine I just swaped heads to a pk80 style and problem gone. On the engine I'm working with now the engine is making a clicking sound? I've changed the heads back and forth, tried thicker base gaskets, swaped intakes and carbs to see if it was a vacuum leak but with all the messing around it still clicks and just flat out refuses to idle. Just touching the idle adjustment screw sends the idle rpm high then it dies. I was sure it was a vacuum leak but I've changed everything and the problem is still there.
I have sent BGF a message via ebay but I'm just stumped as to what the problem is? Just a bummer because I really need to get this bike running right for a customer. Any sugestions or similar experience with these kits would be much appreciated. I believe these kits are the Z80 what ever that is supposed to mean and the one I just swapped the head on to remedy the problem was a Z280.