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Author Topic: EVAP Removal  (Read 788 times)
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guaza Topic starter
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« on: January 22, 2009, 10:32:58 PM »

Hi,

I'm working on a friends 99' 750 nighthawk and wanted to know how exactly to remove the Evaporative Emission Control system for the California models. The bike sat for 2 years unused and i'm having a hard time getting it to idle without it shutting off. Things i've done so far is change the gasoline, oil, spark plugs and recharged the battery. Also, the 1/4 hose going from the bottom of the fuel tank directly to the evap canister snapped off so i fixed it. Anyways, i owned a nighthawk about 15 years ago and have fond memories of it. Any suggestions on anything else i should do is appreciated. thanks...
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detdrbuzzard
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« Reply #1 on: January 23, 2009, 04:44:35 AM »

did you drain the crankcase breather? i've seen them so plugged that bikes run like they need a tuneup
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guaza Topic starter
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« Reply #2 on: January 23, 2009, 01:48:40 PM »

Hey,

The carburetor removal was inevitable. Went to PepBoys but no SeaFoam, so I put a little Gumout Fuel/Carb cleaner in the gas tank. There is no plug in the crankcase breather so it actually drains automatically but thanks for the tip. Now I guess my question is how do you remove the California Model EVAP system. I have nothing against the environment but I doubt this bike will be responsible for destroying our environment. I had something similar installed on a new bike I purchased and did away with it the first day I took her home. I tried searching for some information but had no luck Thanks.

Here's a pic of the evap canister.
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guaza Topic starter
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« Reply #3 on: January 31, 2009, 02:00:48 AM »

The bike finally started and went for a ride but the throttle response was still a little off, so I decided to completely disassemble the carbs and get Honda’s oring carb kit ($150 at the dealer…ouch!) OhioTim I finally got some seafoam and it’s helped a lot. I put some in the tank and even added a little bit to the oil. Thanks for the info. There’s still a bunch of things I’d like to do but for now just trying to get the carbs put back together again so I can go for a long ride this weekend...
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guaza Topic starter
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« Reply #4 on: February 12, 2009, 12:09:10 AM »

I finally completed the carb rebuilt thanks to the service manual. Took it for two 4 hour rides and couldn’t be happier with the throttle response. It’s like the bike has a mind of it’s own and just wants to go only to stop for some fuel. It’s a 99’ with only 4500 miles and people can’t believe that after sitting for 2 ½ years no major problems occured. Honda truly makes amazing bikes but I won’t say that too loud so as not to make my yami jealous…hehe.
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