QuestionQUESTION: I am by no means a mechanic but im trying to repair my b&s engine riding mower. I pulled the head because it wouldnt start and found the piston not moving, found a broken piston rod. I bought the rod and engine gasket set however the only other thing that I can see thats damaged is the crankshaft, its pretty scratched too me but I haven't seen enough to know really. I know I should remove the crank and have it polished or turned not sure wich one applies, but like I said Im no mechanic and am worried that if I pull the crank I may not ever bring it back to life timing issues and all. What would happen if I just replaced the rod and also the parts list looks like the rod has a cap that comes off but when I got it the inside doesnt have a seam havent took off the bolts yet though didnt want to damage it. Can you suggest anything. I know its a lot to read but thanks for the time and advice in advance
ANSWER: Hello Oscar:
In your Case I Would Have Suggested a Short Block. Since you Purchased the Connecting Rod and Gasket Set; All you Require is a New Crankshaft. On Larger Engines you Would have the Crankshaft Turned and Matched to Undersized Connecting Rods. On Small Engines you Replace the Crankshaft with a New One. Timing the Engine is Simple. You have to Deglaze the Cylinder Even if you are Using the Old Rings. Deglazing is Removing the Slick Surface off the Cylinder Wall. This Requires a Deglazing Tool. The Deglazing Hone is Purchased for the Cylinder Size, ie; 3"- 5" Cylinder Hone, ect. If you can Return the Gasket Set and Connecting Rod, then Do So and Purchase a Short Block. You have a Warranty with the Short Block. After Reading this and you Decide the Route you are Going to Proceed; Let me Know and I will Assist you in the Repairs. Hope this Helps. I am Here if You Require More Assistance. Let me Know What Happens, Please. Thanks.
Good Luck
Respectfully
John
PS: I am Allowed to Answer 10 Questions a Day. If you See I am Maxxed Out, then Try Submitting your Question at or Just After 9pm EST (US). My New Day Starts then. Thanks.
Respectfully
John
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QUESTION: I think I will try to put a new crankshaft in. By the way the engine is a 28V707 type 1113. How about the rod all piston rods split apart so you can place them on the crankshaft right.Its not like you can take the crankshaft apart right? Its just strange to me that there is no seam on the inside of the rod, although it also seems strange that there is no bearing, Can you advise me on this. Thanks
AnswerHello Again Oscar:
You can View a Breakdown/IPL of this Engine at this Site Addy, http://www.smallenginepartswarehouse.com/parts.asp and Select the Shop Online Parts Look Up. Then Select the Model Tab. Then Select the OEM and Enter the Model and Type Numbers 28V707-1113. Then Double Click on the Model in the Results Area. Now you can Select the Section of the Engine you Wish to View. Select the Cylinder, Head, Crankshaft, Sump, Gasket, Piston File. The Connecting Rod (#29) Does Have a Cap for Connecting it to the Crankshaft. The Rod is Machined to Match the Crankshaft and Requires No Bearing Due to the Material the Rod is Manufactured of. The Connecting Rod is Connected to the Crankshaft with the Cap Towards the Cam. Make Sure to Purchase a Crankshaft that Matches the Rod you Purchased. The Rod Should State weither it is Standard, .010, .020, Ect. Go to this Site Addy for the Torque Specifications; http://www.johnfvining.com/engine_specs/default.asp. Hope this Helps. I am Here if You Require More Assistance. Let me Know What Happens, Please. Thanks.
Good Luck
Respectfully
John
