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01-07-2010, 10:51 AM
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#1 (permalink)
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Senior Member
Grand Prix 500 Favourite Bike: 1965 Thunderbird
Join Date: Jan 2010
Location: Essex,England
Posts: 150 Other Motorcycle: 1970 'Thruxton' Bonnie Extra Motorcycle: !958 T110
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cleaning carbs(safely)
...just a thought,needed to clean-up some really scruffy carbs so used lemon juice in a bucket of hot water... only leave them in till there clean('bout half an hour)..depends on the 'crud?'..
I used those big 'JIF' lemon squeezers... this is a 'photo after cheers,moto6t 
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01-07-2010, 11:08 AM
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#2 (permalink)
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Senior Member
SuperSport Favourite Bike: 70 Triumph T120R Bonnie
Join Date: Apr 2009
Location: Columbus, OH
Posts: 1,054 Other Motorcycle: 72 Norton Commando Extra Motorcycle: Royal Enfield Bullet 500
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hmm, thats an easy thing to try. Mine are looking all of 40 years old!
__________________
"Thanks to denial, I'm immortal" -Phillip J. Fry
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01-07-2010, 01:33 PM
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#3 (permalink)
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Super Moderator
Site Supporter
SOTP Vintage Series Favourite Bike: '67 Triumph Bonneville
Join Date: Aug 2005
Location: Laredo, Texas
Posts: 7,674 Other Motorcycle: British Iron Extra Motorcycle: Dreer Norton Prototype
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While I've seen MANY different home-grown solutions to cleaning carbs, nothing beats Berryman's Chem-Dip for total effectiveness (in my experience).
I'm just wondering how effective this treatment is on horrendously plugged internal passages? The outside finish looks quite acceptable, and it's definitley non-carcinogenic!
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01-07-2010, 05:31 PM
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#4 (permalink)
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Senior Member
Grand Prix 500 Favourite Bike: 1965 Thunderbird
Join Date: Jan 2010
Location: Essex,England
Posts: 150 Other Motorcycle: 1970 'Thruxton' Bonnie Extra Motorcycle: !958 T110
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Lemon juice..
...I'd think the only way to get rid of hidden crud is an 'ultrasonic cleaning tank!'....wadyareckon?
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01-07-2010, 08:29 PM
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#5 (permalink)
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Lifetime Premium
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Moto Grand Prix Favourite Bike: Triumph Bonneville
Join Date: Oct 2008
Location: Bordeaux, France
Posts: 2,764 Other Motorcycle: Triumph Speedtriple
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Quote:
Originally Posted by moto6t
...I'd think the only way to get rid of hidden crud is an 'ultrasonic cleaning tank!'....wadyareckon?
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Even an Ultrasonic cleaning tank will not get rid of the hard crusty fuel residue in the internal passages. I've tried!  But it doe's a pretty good job of the rest of the carb.
Webby
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01-08-2010, 10:52 AM
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#6 (permalink)
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Super Moderator
Site Supporter
SOTP Vintage Series Favourite Bike: '67 Triumph Bonneville
Join Date: Aug 2005
Location: Laredo, Texas
Posts: 7,674 Other Motorcycle: British Iron Extra Motorcycle: Dreer Norton Prototype
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The ultimate is a deep, heated vat of Berryman's Chem-Dip, with a reciprocating jig (just like a washing machine) to bolt the brace of carb bodies to. I've got to fabricate one of those...
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01-08-2010, 03:34 PM
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#7 (permalink)
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Senior Member
SuperBike Favourite Bike: '68' T120 Bonneville
Join Date: Nov 2007
Location: corpus christi, texas
Posts: 1,721 Other Motorcycle: 2006 T100 Bonneville Extra Motorcycle: '79' T140 street tracker
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Quote:
Originally Posted by GrandPaulZ
The ultimate is a deep, heated vat of Berryman's Chem-Dip, with a reciprocating jig (just like a washing machine) to bolt the brace of carb bodies to. I've got to fabricate one of those...
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Throw in the ultrasonic function too and you've got the ultimate carb cleaner.
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01-08-2010, 07:23 PM
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#8 (permalink)
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Senior Member
Grand Prix 500 Favourite Bike: 1965 Thunderbird
Join Date: Jan 2010
Location: Essex,England
Posts: 150 Other Motorcycle: 1970 'Thruxton' Bonnie Extra Motorcycle: !958 T110
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...cheaper to buy new carbs???
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01-08-2010, 08:10 PM
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#9 (permalink)
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Senior Member
Formula Extreme Favourite Bike: 1970 Bonneville
Join Date: Jun 2009
Location: Michigan, USA
Posts: 909
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GPZ,
What's the optimum temperature?
Thanks,
Henry
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01-09-2010, 10:31 AM
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#10 (permalink)
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Super Moderator
Site Supporter
SOTP Vintage Series Favourite Bike: '67 Triumph Bonneville
Join Date: Aug 2005
Location: Laredo, Texas
Posts: 7,674 Other Motorcycle: British Iron Extra Motorcycle: Dreer Norton Prototype
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I have no idea what the optimum temperature for carb solvent is, but warm/hot beats cool/cold every time! I'd guess 140 - 160 would be pretty good. like hot coffee...
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