Lawn Boy 522r predator 212 install - Snowblower Forum : Snow Blower Forums
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post #1 of 39 Old 03-11-2016, 09:47 AM Thread Starter
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Lawn Boy 522r predator 212 install

Yesterday I replaced a 5hp Tecumseh with a predator 212 hemi. The engine bolted right on and everything lines up perfectly. I put in the adjustable jet and the engine fired right up. With a little adjusting it was running very smoothly. I checked the Rpms with a vibro tach and it came in at 3800 out of the box. Compared to 3300-3400 from the Tecumseh. I test drove it and the increased Rpms were very evident in reverse, which is now a bit more useable.
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post #2 of 39 Old 03-11-2016, 09:50 AM
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Now whenever somebody drives by and asks if that thing has a hemi in it - you get to yell YEP! ;>P




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post #3 of 39 Old 03-11-2016, 10:05 AM Thread Starter
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Indeed
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post #4 of 39 Old 03-12-2016, 10:43 AM
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Quote:
Originally Posted by LB522r View Post
Yesterday I replaced a 5hp Tecumseh with a predator 212 hemi. The engine bolted right on and everything lines up perfectly. I put in the adjustable jet and the engine fired right up. With a little adjusting it was running very smoothly. I checked the Rpms with a vibro tach and it came in at 3800 out of the box. Compared to 3300-3400 from the Tecumseh. I test drove it and the increased Rpms were very evident in reverse, which is now a bit more useable.
I think max rpm on those engines is 3600, You may want to adjust it to that (if you don't want any issues in the future). If you want faster ground speed or impeller speed just increase the crank pulleys diameter by 1/4", but leave the engine at its max recommended speed of 3600rpm.

212cc (6.5HP) Predator Engine from Harbor Freight
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post #5 of 39 Old 03-12-2016, 02:22 PM
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the spec page says 3800. by the way anyone looking to get one can get them for 80 bucks plus tax. there on sale for 99.99 with a 20% off coupon there 80

6.5 HP (212cc) OHV Horizontal Shaft Gas Engine EPA
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post #6 of 39 Old 03-12-2016, 02:35 PM
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the spec page says 3800.
Is 3800rpm for the Hemi version only or for both?, I could not find max speed spec on the Harbor Freight site only idle speed. (Maybe I missed it )
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post #7 of 39 Old 03-12-2016, 02:42 PM
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Actually I just found those specs it states 3800rpm for 69730 and only 3600rpm for 60363, wich one is the Hemi version and how can you identify it (is the Hemi the one with aluminum valve cover?)
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post #8 of 39 Old 03-12-2016, 03:03 PM
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whatever, 200 rpm more is not going to hurt anything if it bothers you lower the max rpms using the spring loaded screw under the throttle plate
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post #9 of 39 Old 03-12-2016, 09:27 PM
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Lb, looks good, any pics of your oil drain set up.
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post #10 of 39 Old 03-13-2016, 07:41 AM Thread Starter
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Actually I did debate getting bigger pulleys , but since I already bought new belts I didn't want to chance them not fitting. From what I've read on these engines, I'm not worried at all about the Rpms. I still may mess with pulleys since I can't leave anything alone. Here is my oil drain setup.
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