K&B 7.5 ???

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K&B 7.5 ???

Postby 300fw » Fri May 29, 2009 2:04 am

O.k. I was wondering about the 7.5 engine (model 8702). What brand boats did this engine come out on. I need to know as far back as the the early 1990's? I have a complete old nitro boat here and I can't figure out who made this ride?
P.S. I appolized if this is in the wrong forum.

http://s46.photobucket.com/albums/f149/ ... cf6155.jpg

http://s46.photobucket.com/albums/f149/ ... cf6154.jpg
300fw
 
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Location: Mammoth Cave, KY

Postby USMC » Fri May 29, 2009 8:21 am

What you have is a "Dumas Hotshot 45"

these engines didn't come with any kits.

Take Care,
USMC & Viking...! & Little Jack...! :)
USMC
 
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7.5???

Postby 300fw » Sat May 30, 2009 7:30 am

Thank you so much for helping me with this mystery. I have been trying to for figure this out for about 4 months now. Thank you again.
Brad
300fw
 
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Postby USMC » Sat May 30, 2009 4:05 pm

your Welcome!
here is a link to your boat, you can also get a copy of the instructions & plans for your boat,

http://www.dumasestore.com/catalog/inde ... Path=47_58

Take Care,
USMC & Viking...! & Little Jack...! :)
USMC
 
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Location: Hawaii

Postby USMC » Sat May 30, 2009 4:11 pm

Dumas HotShot 45 & plans,

http://www.dumasestore.com/catalog/prod ... cts_id=408

http://www.dumasestore.com/catalog/product_info.php?
cPath=97_98_105&products_id=779

Take Care,
USMC & Viking...! & Little Jack...! :)
USMC
 
Posts: 52
Joined: Wed Aug 15, 2007 11:02 pm
Location: Hawaii

Postby USMC » Sat May 30, 2009 4:12 pm

USMC
 
Posts: 52
Joined: Wed Aug 15, 2007 11:02 pm
Location: Hawaii

K&b 7.5

Postby Arodriguez » Tue Mar 23, 2010 9:38 am

Hello all I just recently bought my first rc boat it's a 35" tunnel hull with a k&b 7.5 in the back . I've been to the lake a few times and the boat runs but the problem is that when I give it full throttle it turns off Or sometimes it'll just turn of as soonas I throw it in the water... What could this be too much gas comming in or air ???? The carb gas two adjustment the needle and the small screw I side the throttle arm ..any help on This questions please!!!
Arodriguez
 
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Carburator for a K&B 7.5 Inboard Engin

Postby bill dean » Thu May 06, 2010 4:08 pm

I have a K&B 7.5 inboard on a boat that hasn't been run in 20+ years. When the boat was put away I filled the engin with oil, but did not even try to oil the carburator. Consequently the engin will turn over but the carb wont budge. It has been soaked in WD40 for several weeks, still won't budge. The only identification on the carb is "K&B MFG". It has one "Idle" screw, and looks similar to one in the carb section, but does not have a second extra screw.
I have two uestions - any advice on how to get it apart so I can free up the valve. And, is a new one available to purchase?
Bill Dean
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