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NOSS HEADS AND DOMES?


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Hey i got a 97 Banshee with a few parts and a mild P&P, and im about to get a NOSS HEAD but im not sure what size domes i need to run. I want to boost the power some but i want it to be safe for the engine and i still want to use pump gas. What size would be good? Thanks for the help. MEADOWS. :dance:

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depends on ur height above sea level along with the rest of ur mods. 22cc is like stock compression size i'm pretty sure. i'm sure someone who knows more about this will chime in. dlnoss and jim at passion help alot of people out witht hat sort of thing. also u can ask some local riders and builders. see what everyone else recommends/gets away with. i'm stock bore and stroke and my mods are in my sig. below and i'm supposed to be running 21's or 22's since i ride between 600 and 1000ft and i got 19cc domes in for added compression. i run pump gas and i put 3 oz or sometimes 4 oz of klotz octane booster in every gallon that goes thru my bike. the higher compression the pickier ur motor is about the qualit of fuel. so ask round. see what everyone recommends. whats ur elevation? and mods?

Edited by sandman121383
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If you are at .060 bore and have just a clean up port i would stay with 20cc and +4 timing with premium gas !!!

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How do i advance the timing? That sounds like a pain in the ass, Thanks for the help. MEADOWS. :dance:

397561[/snapback]

 

 

Pro-Design timing plate or a simple key will do the job. I don't know much about the key's because I have the Pro Design plate.

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This is what you want:

http://www.rickystator.com/pages/Yamaha_Ba...ming_plate.html

 

Buy the correct flywheel puller from Motion Pro...I think they're about 10 bucks. Do NOT use a Jaw type puller.

 

It takes more time taking the 8 to 10 bolts off the side cover and the fly wheel off than it does to install this plate. Two screws for the pickup, 3 to hold the plate down, adjust it...and good to go.

 

Very, very easy and worth it.

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