Yamamods Power Tip Review - Grizzly Riders - Yamaha Grizzly ATV Forum

 
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post #1 of 8 (permalink) Old 09-13-2010, 12:36 PM Thread Starter
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Yamamods Power Tip Review

This is my review of the Yamamods 2" power tip for the 2007-2009 Grizzly 700.

Discription from their website. yamamods.com
Quote:
THIS IS A POWER TIP FOR THE YAMAHA GRIZZLY 700 WITH FUEL INJECTION. FITS YEARS 2007, 2008 AND 2009. IT IS A 2" STAINLESS STEEL EXHAUST MOD / ENDCAP. IT REPLACES THE ORIGINAL RESTRICTIVE 1" TIP AND SPARK ARRESTOR TO A FULL 2" TAILPIPE. IT HAS A 45 DEGREE DOWN TURNED ANGLE TO DIRECT EXHAUST AWAY FROM THE PLASTIC. THE SPARK ARRESTOR WILL BE ELIMINATED WITH THIS MOD.

A STAINLESS STEEL FLANGE NEAR 1/8 THICK, IS PRECISION LASER CUT AND PROFESSIONALLY TIG WELDED FOR A PERFECT SEAL. THIS MOD WILL HELP LOW END POWER. WHEN INSTALLED IT PRODUCES A NICE THROATY SOUND LIKE A 700 SHOULD. IT IS NOT MUCH LOUDER THAN STOCK IT JUST PRODUCES A DEEPER TONE.


Nicely TIG welded.




Stock reference.



VIDEO:




Tip installed.




VIDEO:



Impressions:
I bought it with the intention of painting with High temp black paint and keeping it looking stock.The Yamamods tip sounds very nice. The Grizzly has a louder growl to it on idle and roars more at WOT. Cruising speed it has a nice mellow even sound to it.
I wish it came with removable spark arrestor so that I'm legal in state parks... or anywhere for that matter.

As for power increase... I did not notice any by the seat of my pants.

This is for those of you that don't like the stock sound and want to hear a more aggressive but not obnoxious sound from your Grizzly.

If you need a tip with a spark arrestor, look at the tip made by 2R Racing.
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post #2 of 8 (permalink) Old 09-13-2010, 02:44 PM
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Just remember the spark arrestor screen is required to ride on any National Forest land. Not to mention it just a good fire safety practice no matter where you ride.

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post #3 of 8 (permalink) Old 09-13-2010, 03:23 PM Thread Starter
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It is a good idea to run one if you ride ditches or in dry areas.

Here is what the stock spark arrestor looks like on a 09 700 grizzly.

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post #4 of 8 (permalink) Old 09-13-2010, 04:02 PM
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Thanks for the review, looks like a nice product. The sound is much better as well with the 2r tip, im sure its similar, the stock muffler tip is a pea shooter and sounds like it too lol. Could even make your own arrestor screen, just get some metal screen/mesh and cut it out and sandwich it between the tip and the muffler.


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Hello Clarice...I ate his liver with some favre beans, and a nice ciante!
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post #5 of 8 (permalink) Old 09-13-2010, 04:24 PM Thread Starter
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I'm actually looking into doing that. Correct me if i'm wrong, but from what I understand its still illegal to be in a state or federal park without having an approved or certified spark arrestor.
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post #6 of 8 (permalink) Old 09-13-2010, 05:21 PM
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Im pretty sure thats true. From my understanding they stick something up the exhaust pipe, and if it goes clear up they ticket you, so having the mesh/screen there will definitely prevent you from being ticketed.


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Originally Posted by Grizz450
Hello Clarice...I ate his liver with some favre beans, and a nice ciante!
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post #7 of 8 (permalink) Old 09-13-2010, 07:29 PM
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for the review. I'm surprised that they don't offer any arrestor. Even the 2R tip for a 450 doesn't come with one but they at least tell you how to reuse your stock one.



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post #8 of 8 (permalink) Old 09-13-2010, 07:37 PM Thread Starter
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If you have a 350, 450, 660 they show you how to reuse the stock one.

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