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#1
10-14-2012, 10:26 PM
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cold blooded 1810
Hey guys, still learning my way around my 1810. You have been a big help so far!!! The M18 seems to be in need of a coil, it breaks down under load. With that still on my "to do" list, I now find that where the engine ran fine at idle in warm outdoor temperatures, it is now tough to get it started, and even harder to keep it running now that the temperatures are in the 50's. Must constantly play with the choke to keep it running. I suppose this is not typical of this engine since you guys regularly use them for snow duty. Do you think this is the coil is complaining again, or should I plan on a carb rebuild also?
 It has the Walbro carb.
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#2
10-15-2012, 01:45 AM
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Sounds like the carb to me. I would junk it and find one of the better adjustable ones.
AJ
__________________
1980 [COLOR="Red"][/COLOR]482- Stock 1981 [COLOR="Red"][/COLOR]582- Mag18, Sleeve Hitch, Spring assist 1979 [COLOR="Red"][/COLOR]682- Mag18, Sleeve Hitch, Spring Assist, #1 Tiller 1980 [COLOR="Red"][/COLOR]782- Mag18, Sleeve Hitch 1983 [COLOR="Red"][/COLOR]982- Stock, Fully Optioned
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#3
10-15-2012, 11:12 AM
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AJ's right. Walbros are good for paper weights. Find yourself a nice used carter carb, rebuild it, and you'll be good to go.
__________________
Josh Diesel Cub Cadets...........
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#4
10-15-2012, 05:43 PM
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i just rebuilt a carter 26 to fit in my 1811.
used the throttle shaft and plate from the walbro so the linkage would line up. she now runs smooth and steady with no hunting. good luck with your project. Dan
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#5
10-15-2012, 09:37 PM
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That's one of my questions. Am I looking for a "30" carb? And do I need to also get the linkage for the 30, or will it also accept the Walbro throttle shaft as Dan did with his?
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#7
10-15-2012, 09:57 PM
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i believe the 30 carb has a bigger venturi and will be too big of a diameter where the stock walbro throttle plate goes.
the #26 carb is adequate to run the 18 mag engine. i have my load needle out about 2 3/4 turns. Dan
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#8
10-15-2012, 10:06 PM
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is #26 cast inside the throttle bore? Thanks!
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#9
10-16-2012, 12:08 AM
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Carb Size / ID
Grand Pops 1810: I think that the "26" and the "30" refer to diameter of the carb throat in millimeters; that is, the 30 carb has a 30mm throat and the 26 carb has a 26mm throat.
Personally, I'm surprised to learn that my 18 HP twin cylinder engine uses a smaller carburetor than my 14 HP single cylinder; but I trust the people telling me. 
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#10
10-16-2012, 07:38 AM
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Quote:
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.
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