The B3 is 88 throught 91, the B4 is 92 on. The B3's are also refered to as type 89's. Tony Hoffman > The B3 is the 92-on model, right? So the fuel tank is horizontal, not > vertical like in my '89? > > If so, you can work your way through from the interior, with lots of > extensions, maybe. > > -- > Huw Powell