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1. 

   68K0

   106 Points

   06/30/10

   Peter (68K0) here.  I'll be down on friday. Cell 303-587-7891. 
   Original comment »

2. 

   yakpolo

   101 Points

   07/24/09

   Hi banjo, I just read your post on Lake City.....little late
   
   I had never thought about re-jetting my carb for high altitude rides.
   I live in Denver (5,280ft) and regularly commute to the grocery store on my 76CT90 but also regularly ride at 10,000 during the Summer.
   
   Can you point me to specs or give me some suggestions?
   
   

   04/07/10

   Reply from banjo:

   hey yakpolo
   I just found this from you .
   in Denver I would go down in main jet size 2 jet sizes
   you take your main jet size x 0.95 [{like 80 x 0.96 = 75}at 4920'
    ALTITUDE] or at 9840' ALTITUDE ( like 80 x 0.92 = 73.6)
   in other Honda manuals have charts that show this. how to get the size
   that you need !
   BUT Now on your CT with the HIGH ALTITUDE KNOB is the same as
    going down 1.5 or 2 jet size AND that starts at 6000' in ALTITUDE so
   at Denver you should be riding with your HIGH ALTITUDE KNOB
   pull out all the time!!
   BUT like me I ride at 8000' to 1380' HIGH ALTITUDE !!
   SO I go down 2 jet size {about for 7380'}and then I can use the
   HIGH ALTITUDE KNOB when needed
   {at 7380 is (80 x 0.93 = 74.4)}so I use a 75 jet or 2 full size down
   now jets size use to be  70 , 72.5 , 75 . 77.5 , 80 BUT now you can
   get then  in  70,71,72,73,74,75,76,77,78,80,81
   so you can fin tun if your racing!!
   
   banjo
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   

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