CBR 1000F "Hurricane" 1987-1996 CBR 1000F

Gas Mileage?

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Old 05-19-2009, 11:52 AM
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Unhappy Gas Mileage?

I picked up an 88 Hurricane 1000 last year from ebay. Seller promised me the bike ran great. It only had 9500 miles. NOT! I just had the carbs rebuilt, master cylinder and slave cylinder rebuilt and new fork seals put in to a tune of $1900. WAA! Bike runs great but I`m only getting 24 mpg. I have an original review of the bike and they got between 33-40mpg. I`ve had 6 other Honda`s and they all got around 40mpg. Any comments?
 
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Old 05-19-2009, 12:04 PM
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What are your driving conditions? Many short trips, engine not fully warming? What is the gearing?
I'm getting 42-44 mpg with my '93 equiped with V&H system, Dynojet kit and K&N filter, stock gearing.
Almost forgot, your milage will be affected by the setting of the idle mixture screws. When I first put the exhaust system on I opened them by 1/4 turn. My milage went to 38-40. They're back at the stock setting.
 

Last edited by Bassman; 05-19-2009 at 12:14 PM.
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Old 05-19-2009, 12:16 PM
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Default Mileage

Originally Posted by Bassman
What are your driving conditions? Many short trips, engine not fully warming? What is the gearing?
I'm getting 42-44 mpg with my '93 equiped with V&H system, Dynojet kit and K&N filter, stock gearing.
Almost forgot, your milage will be affected by the setting of the idle mixture screws. When I first put the exhaust system on I opened them by 1/4 turn. My milage went to 38-40. They're back at the stock setting.
********
The local Honda dealer completely rebuilt all the carbs last week. I put 86 miles on it and it used 3.5 gallons of gas. The bike is completely stock as far as I know.
 
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Old 05-19-2009, 12:31 PM
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Sheeeeeeeeeeeeeeeeesh
Did they leave out half the jets !! Fuel leak ??
Mine does 16 K's to a litre, or 10 miles to a quart, so 40 MPG. And that's at all sorts of speeds, openroad and town. Openroad on a trip at 80MPH I'll get 46-48MPG
 

Last edited by Shadow; 05-19-2009 at 12:34 PM.
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Old 05-19-2009, 04:02 PM
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I just filled up and I recon I got 45mpg more or less and that is mostly cross country twisties! Check behind the bike when you ride , is there a long trail of gas on the road!!
 
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Old 05-19-2009, 08:37 PM
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rwl, first.. I'd check it through a couple tanks. Make sure you're getting 24MPG.

Second, I'd make sure the carbs are synced. Maybe call Honda and just ask if they synced 'em, maybe?

24MPG seems pretty bad. I get about 33-36 when I ride hard, but when I ride normal (once), I got 40MPG. I'd say 40 is about avg.
(weird, that's about what you said it was in the "review")
 
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Old 05-20-2009, 04:09 AM
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Another thought comes to mind - if you had a full tank when you took the bike in, the mechanics could have drained some off to wash parts, (or just stole it) I've had it happen myself..............
Not a good thought, but it happens.............
 
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Old 05-20-2009, 08:18 AM
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Unhappy Gas Mileage

The Honda dealer completely rebuilt all 4 carbs, flushed the tank and lines, synched the carbs and filled it up w/91 octane gas. The bike runs great but I can`t figure out how it could be getting such poor mileage. My car gets better mileage.I also had the master cylinder and the slave cylinder rebuilt and new fork seals for a tune of $1900.0. They told me the main jet had been screwed in all they way and broken off. They had to drill it out.
 
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Old 05-20-2009, 09:24 AM
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Maybe they didn't really fill it the whole way? I know I can run mine on the overfull mark on the gauge for at least a gallon... maybe 2.
Just a thought....
 
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Old 05-20-2009, 10:18 AM
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Exclamation Mileage

Originally Posted by kilgoretrout
Maybe they didn't really fill it the whole way? I know I can run mine on the overfull mark on the gauge for at least a gallon... maybe 2.
Just a thought....
*******
Could be. I didn`t check the gas level when I picked it up.
 


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