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Fau Ity gauge . Ch e ck and rep l ace gauge if necessay.
Fue l with too l ow octane rati n g (knock i n g) .
Fi l l up with fue l of co rrect octane rati ng .
Fau Ity the rmostat. Rep l ace the rmostat.
Fau Ity ig niti on ti m ing setti ng. C heck and adj u st ig n iti on ti m i ng setti ng by us i ng
stroboscope .
Fau lty carbu retto r setti ng (fue l/'ai r m i Ktu re eKces- Adjust carbu rettor sett'i ng s.
sive Iy lean) .
Cool i n g syste m b l ocked . Cl ean cool i ng system .
Cool i ng j ackets b l ocked o r d i stri buti on pi pe i n _ M easu re cool i n g water tempe ratu re si m u Itane -
cyl i n d er head blocked . D istri butio n p i pe possi bly
o us1y at outl et on right of th erm ostat and at out-
no t push ed i n far e noug h . l et fo r tem pe ratu re gauge at rear of cy l i nd e r
h e ad. l f the tem pe ratu re obta i ned at th e tem pe ra-
tu re g8uge out l et at the re ar is h ighe r, th e cyl i nde r
h ead shou l d be rem oved and e Kam i ned . _
Loss of cooli_g water
Leaks at hose con n ections. _ Ch e ck hoses and c l amps, rep lace if nec essa ry.
Faulty rad i ato r fi l le r cap. _ R e p Iace rad i ato r fi l l e r cap. _
Fau Ity cyl i nde r h ead g asket (oi l i n cool i ng wate r) . R epl ace cyl i nde r head gasket. _
II_ 2 - 42
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