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  #1  
Old 08-23-2007, 05:55 PM
skid jackson skid jackson is offline
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Default LTR Power valve cover

Me likes!!!
Power right off the bottom. I think it made the bike a little easier to ride. like it makes the power band a little bit wider/smoother. Easier getting through the rocks and it seemed to make the carberation better off the bottom too. Don't know if it should but the bike definitely ran cleaner off the bottom then before. What exactly does this thing do any way??


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  #2  
Old 08-23-2007, 06:31 PM
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Boomhauer Boomhauer is offline
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Quote:
Originally Posted by skid jackson View Post
Me likes!!!
Power right off the bottom. I think it made the bike a little easier to ride. like it makes the power band a little bit wider/smoother. Easier getting through the rocks and it seemed to make the carberation better off the bottom too. Don't know if it should but the bike definitely ran cleaner off the bottom then before. What exactly does this thing do any way??
Yep exactly what it was made for.
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  #3  
Old 08-23-2007, 09:30 PM
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GMP GMP is offline
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When the PV is closed at low RPM, the chamber is open to the port through the left drum valve. This changes the tuning of the system, like having a longer header section on the pipe. When the PV opens at higher RPM the chamber closes and is out of the equation.

The effect you feel has a lot to do with what pipe you run with it. I notice it more with the GG pipe than with the FMF, which is more of a low/mid pipe anyway. So, the GG pipe with the LTR cover is a win/win setup!
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  #4  
Old 10-15-2007, 02:07 PM
Roy Salmon Roy Salmon is offline
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Good addition to the bike - Made an impressive difference on the bottom end!
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  #5  
Old 04-04-2008, 02:35 PM
nano nano is offline
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look this...

http://www.2tracing.it/public/SiTE/index.php?tit=Racing%20Parts&m=97&acts=|Veicoli|di vGASGAS|
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  #6  
Old 02-21-2011, 01:11 AM
Bailey28 Bailey28 is offline
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I bought a power valve cover from Go Fasters. I'm not sure it it is the LTR one or not, it came in a clear bag by itself with no markings on it.

I installed it on my '10 EC300. The cover fit perfectly and was machined very nice out of billet aluminum. Power delivery was stronger on the bottom and into the midrange as expected. I can loft the front wheel easier and most times without using the clutch at all. It makes the bike more "4 stroke like" coming out of corners. The transition into the hit was smoothed a bit, making the engine even more 4 stroke like. Top end was the same.

I give it 4.5 stars out of 5 total. Why?

The power valve came with no gasket, or screws that fit. The stock flanged M5 screws would not fit into the holes machined into the cover. I had to buy allen screws from the hardware store. The cover had a threaded hole on the bottom for a drain however no drain bung or hose was provided. I just plugged the hole with another short M5 bolt.

These small issues should not be a deal breaker, I paid $2 for the new bolts, and the stock gasket is a metal one so it was fine to use again.

I like it, it really woke up the engine on the low rpm range. Some people say that they didn't notice on the 300's, I can say I DID notice and I like it. The power is even more user friendly now.
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  #7  
Old 02-21-2011, 03:26 AM
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iancp5 iancp5 is offline
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Great on the 200.
No good on the 300 - made the throttle too insensitive and too much low down torque when very slippery.
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  #8  
Old 02-21-2011, 09:22 AM
jeffs2200 jeffs2200 is offline
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Quote:
Originally Posted by Bailey28 View Post
I bought a power valve cover from Go Fasters. I'm not sure it it is the LTR one or not, it came in a clear bag by itself with no markings on it.

I installed it on my '10 EC300. The cover fit perfectly and was machined very nice out of billet aluminum. Power delivery was stronger on the bottom and into the midrange as expected. I can loft the front wheel easier and most times without using the clutch at all. It makes the bike more "4 stroke like" coming out of corners. The transition into the hit was smoothed a bit, making the engine even more 4 stroke like. Top end was the same.

I give it 4.5 stars out of 5 total. Why?

The power valve came with no gasket, or screws that fit. The stock flanged M5 screws would not fit into the holes machined into the cover. I had to buy allen screws from the hardware store. The cover had a threaded hole on the bottom for a drain however no drain bung or hose was provided. I just plugged the hole with another short M5 bolt.

These small issues should not be a deal breaker, I paid $2 for the new bolts, and the stock gasket is a metal one so it was fine to use again.

I like it, it really woke up the engine on the low rpm range. Some people say that they didn't notice on the 300's, I can say I DID notice and I like it. The power is even more user friendly now.
I would suggest you not plug the drain hole. Find a nipple and run a drain or the pv cover will fill with oil and the bike will start to run poorly.
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  #9  
Old 02-21-2011, 10:52 AM
Bailey28 Bailey28 is offline
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The existing drain is still there on the cylinder head at the bottom left hand corner. I didn't plug this one, the one I plugged was the threaded M5 hole at the bottom of the new cover.

I'm not sure if I could find a metric M5 threaded nipple. I think that part should have be included with the cover.
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  #10  
Old 02-21-2011, 12:32 PM
jeffs2200 jeffs2200 is offline
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Oh, I understand now. I would be pretty ticked at not getting the correct parts.
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