Periodic  Maintenance  Information
Spark  Plug
• Remove  spark  plugs  by  using  plug 
spanner.
• Clean  the  spark  plugs.
• Adjust  the  gaps  if  incorrect  by  bending   
outer  electrode  carefully.
Spark  Plug  Gap : 0.7  to  0.8  mm.
Spark  Plug  (2  Nos.) : BOSCH  UR4AC
Champion  PRZ9HC
 
0.7 to 
0.8 mm
Drive  Chain   Slackness
• Chain  slackness  will  have  to  be  adjusted 
whenever  required.
• Std.  Chain  slackness  20  ~  25  mm.
• Marking  on  chain  adjusters  should  be 
identically  positioned  on  both  sides.
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