Q: When were the earlier mentioned models manufactured?
A: The years between 1965-77 were the years in which Honda manufacturing companies were producing the mentioned models in the prior statement.
Q: What oil do I need to buy for 450cc and 500cc engines?
A: “SAE 10W-40, SE” is most effective for routine tasks, while “SAE 20W-50, SE” performs best in climates above 59 degrees while “SAE 10W” is effective for environments below 32 degrees C.
Q: How often do I have to take my Honda 450 or 500 twin for an engine tune-up?
A: An engine tune-up should be done after every 3000 miles driven or every 6 months.
Q: Where do I order parts for the Honda 450 and 500 twins?
A: Parts may be ordered from authorized Honda dealers or motorcycle parts distributors, quoting the engine and chassis number for ordering.
Q: What if my bike refuses to start?
A: First check the battery charge, then check the carburetor for fuel, and lastly inspect the ignition system for faults.
Q: How do I check valve clearance properly on these engines?
A: Valve clearance should be checked only after the engine has cooled down and feeler gauges will likely be required to do the job properly.
Q: Is it possible for me to do the maintenance of my bike on my own?
A: Yes, maintenance can be easily conducted by anybody with decent amount of skill but that being said, proper consideration of ones own skill is necessary before attempting major repairs.