sf gt carbs square slide head marks and wiring

E

Evan

Full member
Location
Texas
Have square slide kits. Ok the rubber bowl gasket goes in but does not stay. Always pops out on one corner. Then the small rubber orings go somewhere where they are supposed to but not exactly sure. Old ones were thrown out long ago. Ok you tube has a good video but not exactly sure about the tiny orings in their grooves.
Then the timing head mark on sf 8787 is the line mark on the gear w/ the line mark on the head. Not the dots. Ok 2 valves are somewhat open on one side which has to be right. Ok engine crank gear and oil pump gear arrows meet w/ oil pump gear dot tdc and pistons tdc. Ok I was 180 off @ 1st. Using a clean sf2 case w/ sf1 head. Long story...
Then have to do the Gt head. Being led to believe tapping is the flange. (may not be) Do you need new flanges? Then wiring is complete on sf but has to be done as the light housing is off...I have the scheme but which is the Bosch drop key on the scheme??? Can't stand the suspense!!!! Been reading all the posts on the latest head advice. Thats going to be next.
 
Exhaust headers from early small valve bikes won?t fit on an SF1 head. If using square slides with sf1 head there will be a step from 29 or 30( ?) to 36mm.
 
Evan, I agree with Cam that your questions are very hard to decipher.
It sounds like you were timing the cam when fitting the head and the mark on the chainwheel was 180 degrees out, easily fixed by turning the cam over until the mark on the chainwheel is in the correct position.
Read the recent posts regarding fitting flanges to the camshaft, it is very important to have correct interference fit.
The wiring for the SF2 is on Laverdiamania site in "technical" (courtesy of Jean Louis). On SF 1 to 3 there is very little wiring in the headlight shell itself.
 
Bottom case is sf2. sf and sf2 #s are the same in manual except for the head. Have the same carbs and exhaust for the sf head. Carbs and exhaust fit head. In the future I can rebuild w/ matching #s.
 
You must log in or register to reply here.
Back
Top