c. Rust or wear on the breaker arm or arm
shaft.
d. Faulty insulation of the contact braker
e
2.
3.
4.
assembly.
Oil or dirt on the assembly.
To clean the points, run a point file be-
tween the points until the grey deposits
and pits have been removed. Spray the
points with ignition point cleaner or
lacquer thinner, then snap the points shut
on a white business card (or paper of hard
texture) and repeatedly pull the card
through until no more carbon or metal
particles come off on the card. (The card
may be dipped in lacquer thinner or other
cleaner to facilitate this procedure.)
Point replacement should be necessary
when the points become severely pitted, if
the heel is broken or worn unevenly, or if
the points become shorted or show faulty
operation.
NOTE:
New points must be cleaned and adjusted.
Add a few drops of light-weight machine
oil onto the felt rubbing pad after each
point adjustment to lubricate the point
cam surface. Do not over oil.
C. Ignition timing
NOTE:
Point gap must be set before setting timing.
1. Ignition timing is checked with a timing
light by observing the position of the
stationary marks stamped on the stator
and the pointer on the generator.
1. Top dead center
2 .
3. Advanced mark
2.
3.
4.
5.
6.
7.
Ignition timing of right-hand cylinder
must be set first. Connect timing light to
right-hand spark plug lead wire.
Start engine.
The mark stamped on the rotor_ should
line up with the stationary “F” timing
mark. If it does not align, loosen two
breaker backing plate screws and move
the complete backing plate until the mark
on the rotor and the “F” mark align.
Retighten screws. Check timing again for
the right-hand cylinder.
Rev the engine to above 3,500 rpm.
Check whether the mark on the rotor is in
the vicinity of the stationary “full ad-
vance” mark.
Repeat procedure (steps 2-6) for another
cylinder.
timing
2. Left cylinder
adjustment
D. Carbon brushes
Visually inspect the carbon brush holder
brushes for obvious breakage or wear.
Standard brush length is 14.5 mm(0.571 in).
Wear limit is 7.0 mm (0.276 in) and
marked there.
E. Battery
A poorly maintained battery will deteriorate
quickly. The battery fluid should be checked
at least once a month.
1. The level should be between the upper
and lower level marks. Use only distilled
water for refilling. Normal tap water con-
tains minerals which are harmful to a
battery; therefore, refill only with dis-
tilled water.
2. Always make sure the connections are
correct when installing the battery. The
magnet relay lead is for the (+) terminal
14
Summary of Contents for XS650 Series
Page 1: ......
Page 4: ...CHAPTER 1 GENERAL INFORMATION l l MACHINE IDENTIFICATION a 1 l 2 SPECIAL TOOLS ...
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Page 79: ...XS650E Supplementary FOR XS650E MODELS AFTER ENGINE SERIAL NO 2FO 006501 ...
Page 84: ... _ _ _I __ l i _ _ I l R ...
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Page 116: ...MAINTENANCE AND LUBRICATION CHART PERIODIC MAINTENANCE EMISSION CONTROL SYSTEM 3 ...
Page 117: ...t c c ...
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Page 141: ...Supplementary ...
Page 149: ...2 Troubleshooting inspection ...
Page 150: ...LOW BEAM DOES NOT LlGHT WHEN HIGH BEAM IS DEFECTIVE ...
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Page 165: ...Supplementary FOR XS650SE MODELS AFTER ENGINE SERIAL NUMBER 2FO 114241 ...
Page 174: ... R W wire to 118 ...
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Page 202: ...Torque Specifications A Nut ...
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