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Altitude Change - 900 ft vs 9 ft

Fuel System: Gas (Petrol) tanks, Carburators
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stepper
honda305.com Member
Posts: 89
Joined: Fri Apr 22, 2016 11:51 pm
Location: Virginia Beach

Altitude Change - 900 ft vs 9 ft

Post by stepper » Thu Jun 23, 2016 11:04 pm

Hey guys and gals,

I got my new battery charged up and ready to go but it seems that my new to me CA77 is still a bit stubborn to start. It takes a while to kick her into running and once I shut off the choke, her idle gets really low and she eventually quits.

I picked up the bike last week from Danville KY which is about 900 feet higher in elevation than Virginia Beach, where I am now.

She seemed to start and run just fine when we started her up while in KY so I am wondering if the 900 foot change in elevation requires me to adjust the carb for a richer mix (?).

At the moment, she is missing a baffle in one of the OEM mufflers.
So, should I wait for the baffle to come in before I mess around with the carb or do you guys and gals think I should just go ahead and do it and just hope for the best?

P.S. I am a bit nervous as I have no clue what I am doing.
Thanks!
JV

LOUD MOUSE
honda305.com Member
Posts: 7817
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Re: Altitude Change - 900 ft vs 9 ft

Post by LOUD MOUSE » Fri Jun 24, 2016 7:13 am

You need 2 baffles on no baffles to tune. .................lm
stepper wrote:Hey guys and gals,

I got my new battery charged up and ready to go but it seems that my new to me CA77 is still a bit stubborn to start. It takes a while to kick her into running and once I shut off the choke, her idle gets really low and she eventually quits.

I picked up the bike last week from Danville KY which is about 900 feet higher in elevation than Virginia Beach, where I am now.

She seemed to start and run just fine when we started her up while in KY so I am wondering if the 900 foot change in elevation requires me to adjust the carb for a richer mix (?).

At the moment, she is missing a baffle in one of the OEM mufflers.
So, should I wait for the baffle to come in before I mess around with the carb or do you guys and gals think I should just go ahead and do it and just hope for the best?

P.S. I am a bit nervous as I have no clue what I am doing.
Thanks!
JV

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