Re-Installing the Carbs
The easiest way to reinstall
the carbs is to spray the inside of the boots first real good with
WD-40. Then the carbs will just pop right in, no help needed, no swear
words. Works like a charm.
Synchronizing the Carburetors
the carburetors is easier than you think and very effective at improving
the performance, efficiency and ride.
can buy a simple mercury synchronizer (2-foot tall 4-tube
"stick" filled with mercury) for around $40 - about what your
local cycle shop will charge you for a single synch visit.
the carbs should be the last thing you do as a part of a tune-up.
the process for synchronizing your carbs.
you begin, make sure the bike is warmed up first to normal operating
temperature. Shut off the bike and proceed as follows:
1. Remove the vacuum caps from the #1 and # 2 carb on the manifold side of the carb.
Connect the mercury sync tool
lines to carb #1-#2 where the vacuum caps were disconnected.
Start the bike and let it run for
a bit until it reaches normal operating temp again. Only run the bike at
idle while warming up. *DO NOT REV THE MOTOR* you may suck the mercury
from your synchronizer back into the engine.
If the carbs are synched at this
point (all columns of Mercury are even) then you are done. Otherwise use
the following procedure to even out the columns:
First sync carb #1 from above
using the silver, slotted screw on the throttle linkage, halfway between
the manifold for the two carbs (carbs #1 & #2). Turn the screw until
the mercury columns for carbs #1 & #2 are even (within 1 cm). The
adjusting screw will change the reading in one of the two columns - the
goal isn't to get the columns to some specific height, it's to get them
Once all mercury columns are
even, the carbs are synchronized. Re-adjust your idle (if necessary) and
make sure that the carbs are stilled synchronized.
6. Remove the hoses from the carbs and re-install the vacuum caps. I recommend holding the vacuum caps in place with tie wraps.