Mikuni carbs 30mm verses 32mm on the 450 Rebel - Page 2 - Honda Rebel Forum
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post #11 of 23 Old 10-27-2015, 11:13 PM
 
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That is some nice machine work Old School.

Chef Vodka,
1991 Honda Nighthawk CB250
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post #12 of 23 Old 10-28-2015, 10:11 PM Thread Starter
 
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Thank you for the complement ChefVodka, in reality I am a much better mechanic than I am a machinist but I get by.

1986 Honda Rebel 450 28,000 miles
1987 Honda Rebel 450 5,000 miles (sold)
2009 Honda Rebel 250 8,000 miles
1983 Honda CX 650 twisted twin 6,000 miles
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post #13 of 23 Old 10-30-2015, 10:03 AM
 
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Considering the only machine work I can do is blacksmithing which is more about moving the metal than making it to exact specification the first time. A beautiful piece like you made is a work of skill that I appreciate greatly.

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1991 Honda Nighthawk CB250
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post #14 of 23 Old 11-02-2015, 04:05 PM
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how much would it cost me to have you make me a set?
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post #15 of 23 Old 11-02-2015, 11:19 PM Thread Starter
 
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Thumbs up

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how much would it cost me to have you make me a set?
Sent you a PM

1986 Honda Rebel 450 28,000 miles
1987 Honda Rebel 450 5,000 miles (sold)
2009 Honda Rebel 250 8,000 miles
1983 Honda CX 650 twisted twin 6,000 miles
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post #16 of 23 Old 11-06-2015, 08:09 PM Thread Starter
 
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Finally got the new intake manifolds on from post #6 and tested them for a few hundred miles as for as more power goes well maybe but not enough to really mention but I can say it surely did not hurt anything. The gas mileage did go up from 58 mpg to 63.2 mpg and that was a surprise because I was not at any time trying to see how high I could get the gas mileage all the runs were driving 55 to 70mph most of the time around 65mph with a little heavy traffic and a few traffic lights thrown in.

1986 Honda Rebel 450 28,000 miles
1987 Honda Rebel 450 5,000 miles (sold)
2009 Honda Rebel 250 8,000 miles
1983 Honda CX 650 twisted twin 6,000 miles
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post #17 of 23 Old 11-07-2015, 12:38 AM
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Old School, That is a great gain in MPG. Just by putting straight intake manifolds on the carbs. Must of sped up the air and fuel mixture to get better combustion/more power.

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post #18 of 23 Old 11-07-2015, 06:26 PM Thread Starter
 
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Old School, That is a great gain in MPG. Just by putting straight intake manifolds on the carbs. Must of sped up the air and fuel mixture to get better combustion/more power.
That is exactly what I am thinking. Just always thought that stupid dog leg in the intake could not be helping anything but what ever it is "I'm loven it"

1986 Honda Rebel 450 28,000 miles
1987 Honda Rebel 450 5,000 miles (sold)
2009 Honda Rebel 250 8,000 miles
1983 Honda CX 650 twisted twin 6,000 miles
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post #19 of 23 Old 11-12-2015, 08:33 PM Thread Starter
 
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Just so there is not any wrong information, back in post #8 there is a reference to a manifold to carb connecter Moto Guzzi V50III Monza 1 7 16" 40mm ID Spigot Carburator 06937 A Mount Sleeve | eBay
It will not fit !

1986 Honda Rebel 450 28,000 miles
1987 Honda Rebel 450 5,000 miles (sold)
2009 Honda Rebel 250 8,000 miles
1983 Honda CX 650 twisted twin 6,000 miles
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post #20 of 23 Old 11-14-2015, 11:54 PM
 
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I Don't know if these still exist, or if they really work but this is for the stock 450 carbs, let me know what you guys think.


Good News on Carb Boots or Insulators or Holders

86 Honda cmx450
82 Honda cb450
81 Honda gl1100
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