Small Engines (Lawn Mowers, etc.): black smoke from victa imperial 16, victa mowers, briggs and stratton


Question
John,

To follow up - I cleaned the carby, replaced the air filter and replaced the muffler and the mower ran very well until the camshaft sheared off and broke through the engine housing... Thanks for your help, it was very helpful but I guess the old girl had just had enough!
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The text above is a follow-up to ...

-----Question-----
John,

Thanks for the rapid response, as far as I can see, the only number on the engine is L1099 (I believe it is a 73/74 Imperial 125cc). I will have another look tonight for other serials etc).
Thanks again

James
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The text above is a follow-up to ...

-----Question-----
Good morning, I have a self propelled 1974 victa imperial 16" cylinder mower that blows black smoke from the muffler when running at higher revs. If I reduce the throttle, the self propulsion stops. Also the engine splutters and the blades stop spinning when I hit the thicker grass. It is a good mower and I would like to diagnose/attempt to fix the problem before resorting to a new engine. Do you have any documentation on the Victa Imperial range or similar motors/carbs?
Any help in this matter would be greatly appreciated.
Thanks
James
-----Answer-----
 Hello James:

 Victa's Addy is http://www.victa.com.au/. From the Information I have on the Victa Mowers, they All have Briggs and Stratton Engines. Send me the Model Numbers Off of the Engine, Please. With these Numbers I can Locate a Breakdown/IPL for you to View Online. From your Description, the Carburetor needs to  be Cleaned and Rebuilt. Soak the Carburetor Overnight in Gunk Carburetor Cleaner. Then Blow Out the Passages and Install New Kit. Hope this Helps. I am here if you Require more Assistance. Let me know what Happens, Please. Thanks.

 Good Luck

 Respectfully

 John
-----Answer-----
 Hello James:

 For a Breakdown/IPl you May need to Purchase a Manual. The Suggested Manual that Victa Lists is Gregory's Small Engine Series 2 Part No. 426. You can Purchase it Online at this Addy http://www.haynes.com.au/category50_1.htm and Scroll Down to the Last Listing on this Page. Hope this Helps. I am here if you Require more Assistance. Let me know what Happens, Please. Thanks.

 Good Luck

 Respectfully

 John

Answer
 Hello James:

 Ouch. I Just Hate when That Happens. But It Does. I  am Glad You got it Running Properly though. May All You Mechanical Problems be SMALL ONES and May the All Mighty Bless You and Yours. Thanks for the E-Mail Update. Till Next Time.

 Best Wishes and Good Luck

 Respectfully

 John