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Author Topic: CB650 getting ready for first start  (Read 170 times)

Offline Hutch

  • Posts: 8
CB650 getting ready for first start
« on: Oct 07, 2018, 19:42:14 »
All I have left is to bleed the front brakes, then first start.  I swapped tanks from stock, the fuel line has a very slight up hill.  I hoping this isn't any issue ??? since its only about a 4" run from the petcock to the carbs (see pic below).

Here's my first start procedure pieced together from several posts on this and other forums.

1   Test battery voltage (should see at least 12.4V on a 12V battery).
2   Disconnect plugs
3   Give each cylinder a squirt of oil or penetrant
4   With engine off, kick engine over 30-40 times (3 second increments) to get oil flowing
5   Pull tappet covers  1 and 4 to verify oil flow
6   Start while holding plugs against the engine case to verify spark
7   Temporarily replace plugs
8   Open petcock
9   With engine off, kick engine over 5-10 times (5 second increments)
10   Check flow of fuel to the carbs by opening float bowl drain screws
11   Remove all spark plugs and verify each one is wet with fuel
12   Add fuel through spark plug holes 1 and 4 optional
13   Replace plugs when finished
14   Turn ignition to run
15   Choke full, closed
16   Twist throttle 5 times
17   Hold starter for a few seconds
18   Repeat as needed
19   Idle until the choke is no longer needed (about 30 seconds)
20   TEST RIDE!!!
1982 CB650SC

Offline cxman

  • DTT SUPPORTER
  • *
  • Posts: 2507
Re: CB650 getting ready for first start
« Reply #1 on: Oct 07, 2018, 20:04:22 »
if you have a perfectly good starter why are you kicking it?

1978 CX650 Super Deluxe
1979 XS1100 Special
1974 xl350
1983 cx650 Custom
1973 cb750
1980 cb750
1981 cb650
1982 cb900 c
1974 kawasaki 350 bighorn
1983 GL1100 aspy full dress
1983 GL1100 Nekid
and a bunch of others

Offline 540Nova

  • Posts: 97
Re: CB650 getting ready for first start
« Reply #2 on: Oct 07, 2018, 23:15:14 »
My God, just start the damn thing!! Ridiculous.

Sent from my SM-G955U using Tapatalk


Offline pidjones

  • Posts: 439
Re: CB650 getting ready for first start
« Reply #3 on: Oct 08, 2018, 07:37:02 »
I salute your thoroughness. Maybe skip 12 (don't unnecessarily wash down cylinders). I'd probably already have checked oiling while setting valve clearances. Then I'd probably just start it. Considering how long it took to get the Hunley started, and the thing I did while starting that should already have been done, it takes about the same time in the long run.
"Love 'em all.... Let God sort 'em out!"

Offline cxman

  • DTT SUPPORTER
  • *
  • Posts: 2507
Re: CB650 getting ready for first start
« Reply #4 on: Oct 08, 2018, 12:27:22 »
i always leave the plugs out and crank teh motor over in 20 second bursts with one minute rest

till the oil light goes out plus 3 burst more to circulate

then put the plugs back and start it

its nice on the battery if you have the charger on to help
1978 CX650 Super Deluxe
1979 XS1100 Special
1974 xl350
1983 cx650 Custom
1973 cb750
1980 cb750
1981 cb650
1982 cb900 c
1974 kawasaki 350 bighorn
1983 GL1100 aspy full dress
1983 GL1100 Nekid
and a bunch of others