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Throttle resistance
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thiggy
- 10+ Years
- Posts: 489
- Joined: Thu May 19, 2005 2:04 pm
- Zip Code: 35216
- Tractors Owned: 1947 Cub
1949 Cub
2011 JD X320 - Circle of Safety: Y
- Location: Birmingham Al/Bay Springs Ms.
Throttle resistance
I can push the throttle forward on my '49 Cub enough to get 1600 RPM at the PTO, but it takes a good bit of pressure to move it forward that much. I have to keep my hand on the lever or it drops back to a slower speed. Should there be a good bit of resistance to opening the throttle that much?
Since retirement, the things I miss most are the holidays!
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staninlowerAL
- 10+ Years
- Posts: 4988
- Joined: Fri Oct 29, 2010 11:34 pm
- Zip Code: 36558
- Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
- Circle of Safety: Y
- Location: AL (Southwest)
Re: Throttle resistance
Are the notches on the throttle lever and quadrant in good condition? If not, they tend to slip. Also does all the linkage and guides have free movement? Free movement between the governor spring throttle lever #11 and shaft #12 is essential.
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
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Papa's Cub
- 10+ Years
- Posts: 339
- Joined: Wed Aug 15, 2012 8:00 am
- Zip Code: 31553
- Tractors Owned: 1966 Int'l Cub, C-2 mower 2005 Farm-Trac, 7ft Harrows and Box blade 1976 Int'l Cub, Woods 59 mower, Turn Plow, Full set of cultivators, Harrows, 174 Planter & Fertilizer unit 1953 Farmall Cub,full set of spring cultivators, wheel weights,
PTO belt pulley, snow plow and misc parts. - Circle of Safety: Y
- Location: S/E Georgia
Re: Throttle resistance
Thiggy, my 66 model was acting the same. I had visually looked at the linkages and all appeared ok. Then one day I read a thread that said every time the carb was taken off that it was important to re-adjust the throttle rod to the governor, the linkage from governor to the carb. Well, like you, I got tired of having to hold the throttle when working this cub. That afternoon I pulled into the shop gave the linkages a tune up. I can't explain exactly why, but, Now it idles like it's supposed to, mid throttle is mid way the quadrant and wide open is wide open. Give this a try and see if you get similar results. Good Luck, Tom.
If you always do what you've always done -- you'll always get what you've always got!
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Eugene
- Team Cub Mentor
- Posts: 20371
- Joined: Fri Jul 02, 2004 9:52 pm
- Zip Code: 65051
- Circle of Safety: Y
- Location: Mo. Linn
Re: Throttle resistance
Quality solvent, spray on all governor related joints and where the shaft enters the governor.
I have an excuse. CRS.
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thiggy
- 10+ Years
- Posts: 489
- Joined: Thu May 19, 2005 2:04 pm
- Zip Code: 35216
- Tractors Owned: 1947 Cub
1949 Cub
2011 JD X320 - Circle of Safety: Y
- Location: Birmingham Al/Bay Springs Ms.
Re: Throttle resistance
Thanks for the suggestions, fellows. I will check the gov. and throttle linkage and report back.
Since retirement, the things I miss most are the holidays!
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ricky racer
- 10+ Years
- Posts: 6336
- Joined: Wed Sep 12, 2007 8:40 pm
- Zip Code: 49120
- Circle of Safety: Y
- Location: Niles / Buchanan, Michigan
Re: Throttle resistance
+1 on the linkage adjustment.....
1929 Farmall Regular
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub
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Moondoggie
- 10+ Years
- Posts: 37
- Joined: Sun May 24, 2009 7:29 pm
- Zip Code: 77429
- Tractors Owned: 1952 Farmall Cub #157195 w/belly mower, side sickle mower, blade, cultivators, tool bar w/middle buster, turning plow, row disks; 1952 Farmall Cub #151228 w/belly mower and 12V conversion; 1965 International Cub # 226021 w/42" Woods mower; 1958 Farmall Cub for parts # 204437
- Location: Cypress, TX
Re: Throttle resistance
I had something similar on my 52 Cub. But worse. Couldn't move the throttle at all. Frozen. After looking over everything concluded the governor was frozen. Ordered all the governor parts. Got ready to take off governor and as removing governor to carb linkage, found the carb throttle frozen. Took off carb and disassembled the throttle to free the butterfly and shaft. Finally got it out and cleaned it all so it worked like should. Then sprayed some WD40 on the external governor shafts at the governor body and made sure all was OK. Now it all woks fine except I have some new governor parts I never used. 
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