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Old 04-16-2013, 06:49 PM   #841
viper770
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yee haw
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Old 04-16-2013, 07:03 PM   #842
wymanwinn
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Originally Posted by NomadGal View Post
She lives!!!
Spirit started right up, and ran smoothly.
I do still hear the cam chain, but I guess maybe she's just loud because she's older.
I had the rotor at T and lined up the cams. The only thing I can try and do again is take the cam chain tensioner back off and reinsert with rotor at T. I've have been having trouble with that tensioner for a while now. Got to invest in a new one as soon as I can afford it.
Today I had the engine run till she was warm, and other than one of the coolant hoses leaking now, she did great!!
Tomorrow will be my first ride with the 688. Can't wait to see what she'll feel like!
well done NG.....well done indeed....

sorry about the DreamRider handle....my bad...owe ya a

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Old 04-17-2013, 07:11 AM   #843
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Originally Posted by gunnerbuck View Post
Just wondering, have you inspected the internals of the oil pump through all this?
Yes I did, took it out and opened it up. It's pretty scratched up and gauged inside. But a new one is not feasible right now. It still works well according to Wyman, oil distribution seems good
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Old 04-17-2013, 07:19 AM   #844
gunnerbuck
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Originally Posted by NomadGal View Post
Yes I did, took it out and opened it up. It's pretty scratched up and gauged inside. But a new one is not feasible right now. It still works well according to Wyman, oil distribution seems good
Very good, that is an important item to check... The pumps will just about go forever when moving clean oil, it's the debris fragments that can kill them quick..
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Old 04-17-2013, 06:29 PM   #845
NomadGal OP
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I had two successful break-in runs today
Spirit rides amazing! very smooth and quiet.
I did encounter a small setback, namely that I am losing coolant somehow.
I will check the hoses and gaskets tomorrow. I think I'm losing it near the engine because I can smell the coolant burning away. This I think should be fairly easy to solve.
I'm curious to see if my mpg changes.
I've also got to check my air filter again, somehow I seem to have to keep the choke open slightly.
You'd think that with the 22 cent mod and the Hurricane mod she'd be getting enough gas.
Maybe with a bigger piston chamber I'll need more gas???
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Old 04-17-2013, 07:04 PM   #846
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Glad it workin

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Old 04-17-2013, 08:21 PM   #847
mhild
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I would guess your fuel mileage will change.....several here in town done the 688 mod, and their mileage dropped into the 30's. Maybe you'll be lucky!!!!

Quote:
Originally Posted by NomadGal View Post
I had two successful break-in runs today
Spirit rides amazing! very smooth and quiet.
I did encounter a small setback, namely that I am losing coolant somehow.
I will check the hoses and gaskets tomorrow. I think I'm losing it near the engine because I can smell the coolant burning away. This I think should be fairly easy to solve.
I'm curious to see if my mpg changes.
I've also got to check my air filter again, somehow I seem to have to keep the choke open slightly.
You'd think that with the 22 cent mod and the Hurricane mod she'd be getting enough gas.
Maybe with a bigger piston chamber I'll need more gas???
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Old 04-17-2013, 08:27 PM   #848
Motomedic
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So, from my meanderings here on AdvRider, I've deduced the "Hurricane Mod" simply converts the petcock to manual operation (both a vacuum operated petcock and a manual petcock are "gravity" type feeds) and the "22 cent mod" is just as simple, shimming the carb needle, right?

A question or two then, and a bit of general input.

The question is who comes up with these silly names for the "mods" Why can't it simply be called "shimming the needle" and so forth?

The input would be that adding 30cc of displacement shouldn't really change the jetting much. Since the butterfly in the carb isn't the real limiting factor in the airflow, but really the slide which is lifted (pushed up, actually) by the difference in air pressure between atmospheric and the lower pressure of the venturi, 30cc shouldn't make enough of a difference in the jetting.

If you're having to keep the enrichner open slightly to keep it running right though, it's either the idle jet is slightly plugged (not likely) or you do need a bigger idle jet. If your air filter was clogged, the bike would run richer. If you've got a leak between the filter and the carb, it'll run leaner. As the engine spins up and the main jet/needle jet take over, the fuel metering is more affected by the slide position, and the idle jet, while still flowing fuel and affecting the mix, doesn't really do a lot.

And to further confuse things, a new engine will change it's fuel requirements as it breaks in.
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Motomedic screwed with this post 04-17-2013 at 08:33 PM
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Old 04-17-2013, 08:38 PM   #849
8lives
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Ya on all,and I love the Vincent 52 song I listen to it often
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Old 04-18-2013, 12:29 AM   #850
Cubdriver
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Check how well the rubber boot between carb and engine are sealed. Mine was loose once and I needed choke to make it run right.
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Old 04-18-2013, 05:55 AM   #851
Jettn Jim
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Hey Feike... Hurricane mod is named after Hurricane from KLRWorld. And yup it's just manual now. Esther also check your vacuum cap/nipple on the front of the carb... having blocked it off, you may have a vac leak now?

My mileage with both 705's is still about the same as the stocker (unless I really hammer on them all day long) since they work less to drag things along. 38-42mpg fully loaded.
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Old 04-18-2013, 05:59 AM   #852
Motomedic
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In hindsight, I guess I assumed when the top end was reassembled, she installed things correctly to eliminate things like leaks between the carb and head, and all vacuum nipples were in place and in good shape.

Hence my advice to check jetting/tuning rather than a "mechanical" issue. My bad.
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Old 04-18-2013, 01:34 PM   #853
Cubdriver
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Quote:
Originally Posted by Motomedic View Post
In hindsight, I guess I assumed when the top end was reassembled, she installed things correctly to eliminate things like leaks between the carb and head, and all vacuum nipples were in place and in good shape.

Hence my advice to check jetting/tuning rather than a "mechanical" issue. My bad.
Easy on yourself. Us rookies commit more of the mundane errors than you may be accustomed to dealing with. Wish I could say different.
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Old 04-19-2013, 04:06 PM   #854
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No more coolant leaks, got new hoses on her!
On my testride yesterday I accidentally failed to see a new speedlimit sign and got pulled over for going 65 in a 55 mile zone.
The cop wasn't too interested in the fact that I had not seen the sign, so I ended up with a $100 speeding ticket. LOL
Well, I have to admit that the state of New Mexico might have to wait till I', old and grey.
Or till I win the lottery

Today I rode her packed up a bit and she runs great.
I did notice that she tends to run hotter. I wonder if anyone else with a bigger bore has noticed that?

Tomorrow is D-Day, heading out again. It will feel strange being on the road again, but I"m looking forward to taking more pics, seeing beautiful scenery, and finding awesome camping spots
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Old 04-19-2013, 04:18 PM   #855
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Good luck and I certainly hope this puts an end to your mechanical woes. You've suffered enough for this trip, girl!
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