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#1
12-16-2009, 09:28 AM
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Headlight Delete on Nytro...
Ok, here comes the start of the updates for the year...
First, Headlights...I chose to purchase the AirFrame Hood from Skinz...I wanted better cooling for the Intercooler, and to get rid of the headlight...Weight was a side issue, and this is a net decrease of about 2-3 lbs., but once again, the weight wasnt the biggest issue for me... So, after removing the light...we are left with a frame and the stock mounting bolts for the OEM headlight...I made an Aluminum bracket to connect between the two OEM bolts...It is only about 3/4" tall, and the distance Center to Center on teh bolts is approximately 10.5"...  So, Mark the center between the bolts, and then measure Diameter of your lights...mine were 2.5" across, so I moved mounting location from center 2" so as there is a slight gap in between the lights... Drill a hole for the mounting of the PIAA light, and you will then need to adjust the light...  Yamaha has three wires on the back of the light...a ground, and then power for dim lights, and power for bright lights...Personally, I only hook up the dim lights...This allows me to turn the lights off if I want (rarely do) and when they are off, it shows me the bright lights warning light is on... Here is a pic with the hood on...things are not tightened up, so things are a little canted etc. but you clearly get the idea... 
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#2
12-16-2009, 09:29 AM
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Oft Racing axle, and AntiStab, and 174" Timberlsed Skid...
Next, onto the skid...
I chose to move up to a 174" 2.5" camo Extreme track this year...I had the 162 PowerClaw last year, and it did ok, but not what I was hoping it would be...Is a nice all around track, but we ride too deep and tight, and the 2.5" does significantly better...would have gone with 3.0" but would have required MAJOR surgery to make it work... anyway...here are the pics...   I mounted the Anti Stab kit on the very front in the mounting holes for the rail caps...Had to drill them out, but it is WELL worth it for the insurance of an anti-stab kit...Too many tracks get ripped apart that could have been prevented by this little insurance piece... 
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#3
12-16-2009, 09:29 AM
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Next it is time to move on to the Clutching...
As background...I ride between 5,000 and 10,000 feet...The sled has shed approximately 100 lbs., I have not shed any, and am roughly 250 without gear... Sled has 10PSI of boost (Ulmer Turbo kit)...I moved to fixing the clutching this year...So, I called Val Simmons and then sent him my Secondary, and purchased a SHockwave Helix...He does some magic machinining to both, and allows the clutch to actually shift out fully (design issue with Yammie) Next, he suggested some different clutching components... Primary Spring...I had been running the Orange Pink Orange as it gave me really low RPM engagement, so I could creep onto a start (which is very important in steep and deep)...He suggested moving to the Orange Silver Orange, a little stouter spring but allows for nice engagement... Then we moved onto the Secondary, and I have installed the Arctic Cat Red/White Spring...in 6/0 position...I might migrate to the EPI Purple but this is a starting point for this configuration... as you all know clutching is a balance, what you take form the Primary, you must take from Secondary, and vice versa... So, in the Primary, I also went to a dramatically different weight...I had been using the stock weights but just had them LOADED with Rivets to compensate for the turbo...Lots of people have been going with the 8-BU weights when going boost...In talking with Michelle (Oregon Trail sports) she also recommended Val Simmons weights, so I purchased these... Here is a pic of the profile comparison to the 8-BU weights...They are pictured below the 8-BU, but there are made by Val they are NOT the 8-DJ weights...just below the 8-BU to show the difference... 
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#5
12-17-2009, 06:12 AM
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Im not sure what kind of success you have had with running your fuel box there, but if it was mine it would be on the back side of the bars. They do not like steam. Just a thought.
__________________
apex with Impulse race kit and built motor
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#6
12-17-2009, 09:59 AM
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Quote:
this is the second sled I have done this with, and with these little PIAA lights, there is TONS of light...
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#7
12-17-2009, 10:01 AM
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Quote:
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#8
12-19-2009, 02:20 AM
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Quote:
__________________
yamaha alpine turbo nitro = fun  the former iamvector
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#9
12-19-2009, 09:35 PM
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They are optronics p;latinum burner series...Walmart or o'reilly autoparts all carry them...they are like $19 (USD)
will go take a pic in a few, will be from the trailer, as that is what it is parked in right now..
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#10
12-19-2009, 09:49 PM
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Here you go...sorry for the shaky pics, but you get the idea, it is a really good amount of light...
It is up inside an enclosed trailer, so it is about 3 feet up off ground, but also lights up immediately in front of you...One thing I just thought of, is since they are SOOOOO bright, I might hook up just one light to the Bright switch, so if someone is coming down the trail, I can cut the light output in half...   Here is looking from the side of the trailer, so you can see the directional etc. of the lights... 
Last edited by MTdream; 12-19-2009 at 09:51 PM.
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