NitroTate Posted March 19, 2005 Report Posted March 19, 2005 Here are my mods: Altitude is 5280 above sea level Ricky stator plate @ +6 cool head 17 cc domes @ 135 psi 240 mains 30 pilots clip is on 3rd from blunt end mild porting, exhaust ports polished T5's Boost Bottle (probably take it off) Reed spacers (closest to motor) Current probs: immediate bog at 0 to 1/4 throttle (probably air/fuel screws, havent checked yet) Strong hard hitting power from 1/4 to 3/4 just before power band Sputters & hesitates at WOT, loses power as if a governer was kicking in. Checked plugs after 20 min. riding and nice dark (cardboard) brown. Question: Need recommendation for: Fuel/oil ratio? Jetting changes? Timing change? I have my ideas of what to do but additional thoughts are always good. Thanks Quote
NugShee Posted March 19, 2005 Report Posted March 19, 2005 cool head 17 cc domes @ 135 psi? For some reason that doesnt sound like enough psi for 17cc domes. I would back your timing off to about 4 and run the fuel mix at the manufacturers recommendations. also what octane are you running? Quote
NitroTate Posted March 19, 2005 Author Report Posted March 19, 2005 cool head 17 cc domes @ 135 psi? For some reason that doesnt sound like enough psi for 17cc domes. I would back your timing off to about 4 and run the fuel mix at the manufacturers recommendations. also what octane are you running? 341464[/snapback] Even at this elevation you think it's not enough compression?? Today the fuel problem is that I'm not sure if i am using my 110 octane or my can of 91 pump. I forgot to mark the can last time i filled up. Just to start fresh, I'm going to get some 91 pump and mix it correctly so I know where i'm at, I'll drop the timing back to four also. Quote
superdave Posted March 19, 2005 Report Posted March 19, 2005 I am at 5000' and running 270's for mains. I have t-6 and no airbox, just toomeys' 2 into 1 filter. No advanced timing and stock head...I think that you are lean...Cold temps need more fuel...D I run 32:1 yamalube with 91 octane. Quote
rocketboy Posted March 19, 2005 Report Posted March 19, 2005 you must live in the himalayan mountains seriously though i think your main should be closer to a 280 and your pilot should be a 27.5 instead of a 30 ,its cutting out and falling on its face on top because its not getting enough fuel at high rpm ! its bogging off the idle because its getting too much fuel ! Quote
NitroTate Posted March 19, 2005 Author Report Posted March 19, 2005 That's exactly what I thought, thanks for the help. The reason I put the 240's in was because a friend of mine is running even smaller mains and not having a problem which seemed REALLY lean to me but I decided to try it. Before my rebuild I had drag pipes on and had never tried any other type of pipes and I was running 290 or 300's because the majority of my riding is up at 8900'. I'll switch over again, I wanted 27.5's for the pilots but havent been able to find any around here. Quote
NitroTate Posted March 19, 2005 Author Report Posted March 19, 2005 you must live in the himalayan mountains seriously though i think your main should be closer to a 280 and your pilot should be a 27.5 instead of a 30 ,its cutting out and falling on its face on top because its not getting enough fuel at high rpm ! its bogging off the idle because its getting too much fuel ! 341543[/snapback] Oh and by the way I'm in Denver so ridinging in the Rocky Mountains! I usually ride in Walden sand dunes and they are up at 8900' Quote
Banshee17Racing Posted March 19, 2005 Report Posted March 19, 2005 Nice bike! I'm diggin the graphic kit. What colors your frame? Quote
NitroTate Posted March 19, 2005 Author Report Posted March 19, 2005 Nice bike! I'm diggin the graphic kit. What colors your frame? 341668[/snapback] It's that metalic blue that "Dupicolor" makes to make things look anodized. Turns out it's not very durable at all so after a few rides it will probably look like shit, so after that I'll go get it powdercoated. thanks man!! Quote
NitroTate Posted March 19, 2005 Author Report Posted March 19, 2005 YUP, that's what it was!! HOLY FRIGGING SHIT MAN! Shee's fast as hell now. Shee still falls on her face just a tiny bit on the very top of the power band at WOT but that's probably just right because I'll be going up another 4000' Ft for riding wich will make her richer and possibly just right. WOOO HOOOO I'm riding again!! Quote
rocketboy Posted March 19, 2005 Report Posted March 19, 2005 YUP, that's what it was!! HOLY FRIGGING SHIT MAN! Shee's fast as hell now.Shee still falls on her face just a tiny bit on the very top of the power band at WOT but that's probably just right because I'll be going up another 4000' Ft for riding wich will make her richer and possibly just right. WOOO HOOOO I'm riding again!! 341705[/snapback] sweet glad to help a fellow she rider Quote
wesw Posted March 21, 2005 Report Posted March 21, 2005 still with 17 domes and your elevation that is really low compression have you done a rebuild in a while. put some 300 in bet it runs better yet Quote
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