Honda305.com Forum

I've used honda CB450 carbs on two of my Super Hawks. The first set in 1968 were mounted using 3/8" aluminum adapter plates. Shortly after this I made adapters from two pcs of 3/4" aluminum (total approx 1 1/2"). The fall of 1969 I made a pattern and cast and machined aluminum adapters which I am cu...

redblk63, Your problem is probably weak spark advance springs, which are difficult to change on these Honda with the internal advancer unit. You can get around this by dynamically timing the motor while it is running with a timing light (not everyone has one of these). With the motor running at a hi...

Your question about the model year of your Super Hawk? My '65 Super Hawk (that I've owned since it was in the crate) has Vin CB771030683; that's about 2300 units difference. before yours and mine were built, they made approx. 25,000 more Super Hawk's before production ended in 1967. Everything about...

THE GROOVES ARE TO DIRECT THE IGNITION OF THE FUEL/AIR MIXTURE OUT INTO THE SQUISH AREA AT THE EDGES OF THE COMBUSTION CHAMBER A MOMENT SOONER THAN NORMAL TO INCREASE THE EFFICIENCY OF THE COMBUSTION PROCESS. WHEN THE RESEARCH IS DONE THERE WILL BE MUCH INFORMATION PRESENTED TO ADD TO THE UNDERSTAND...

LOUD MOUSE MAKES A GOOD POINT ABOUT GROOVES AND EDGES IN A COMBUSTION CHAMBER BEING USED BY ENGINE MANUFACTURES. BUT AS I WAS GAINING FOUNDATIONAL KNOWLEDGE ABOUT ENGINES; I ALSO WAS EXPOSED TO THE CONCEPT THAT EDGES AND PINPOINTS IN THE COMBUSTION CHAMBER COULD CAUSE PRE-IGNITION (THE PIED PIPER EF...