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Krowl YaBB Newbies Offline Posts: 20 Pennsylvania Gender:	Tach 10/11/06 at 05:49:12 Does anyone know at what RPM the savage is taching at 70 mph? Just curious! Thanks!!
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JerryAssburger

Ex Member

Re: Tach
Reply #1 - 10/11/06 at 07:54:45

Oooooh! Ooooh! I know this one!
The answer is, "Walnuts".

Sorry, couldn't resist. Since a stock LS 650 redlines at 100mph, all you have to do is take what percentage of 100 that you want to travel at, and then multiply that times the LS 650's redline... 6500 rpm.

Soooo 70mph is 70% of 100 mph and 70% of 6500 rpm is 4450 rpm@ 70 mph.

Suzuki doesn't give a maximum cruise rpm for the LS 650, but I'm pretty sure 70mph is safe, I don't know about you, but anything above that on mine makes it get a bit buzzy and twitchy. 65-69mph seems to be the sweet spot.

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bikingb Senior Member 2005 No Login Offline Love to Ride! Posts: 278 Appleton, WI Gender:	Re: Tach Reply #2 - 10/11/06 at 09:32:49 Reelthing has a tach on his.
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Savage_Rob Serious Thumper Alliance Member Offline Mechanically Inclined Amateur Posts: 6972 Texas (Dallas area) Gender:	Re: Tach Reply #3 - 10/11/06 at 10:02:18 I used to have an inexpensive digital tach on mine. The vibrations killed it. I shift by feel anyway.
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Gary On A Savage Serious Thumper Alliance Member Offline Only 15 mins riding could save you $$$ in Dr bills Posts: 941 Fresno, California Gender:	Re: Tach Reply #4 - 10/11/06 at 10:36:38 Tach? Tach? We don't need no stinkin' tach! I don't think I've ever had a bike with a tach on it. Can't afford those kind of bikes...
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Reelthing Serious Thumper Alliance Member Offline Fish or ride that is the question Posts: 5397 Houston,Tx Gender:	Re: Tach Reply #5 - 10/11/06 at 10:56:54 a thing of beauty I tell you! Soon as I get home I'll fire the '95 run it up to 70 and let you know what the baron's tach has to say
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Ballbreaker Ex Member	Re: Tach Reply #6 - 10/11/06 at 11:10:14 Hello, just for those who didn´t know: Tach in German is a slang-word for Tag what means day. Can someone tell me where is the bus with the people in it who wants to know this? Just kidding, Greetings from good old germany Tochsten 8)
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Gary On A Savage Serious Thumper Alliance Member Offline Only 15 mins riding could save you $$$ in Dr bills Posts: 941 Fresno, California Gender:	Re: Tach Reply #7 - 10/11/06 at 11:34:16 Reelthing wrote on 12/31/69 at 16:00:10: a thing of beauty I tell you! Soon as I get home I'll fire the '95 run it up to 70 and let you know what the baron's tach has to say Pretty! Maybe I do need a tach after all...
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barry68v10 Serious Thumper Offline Posts: 955 Maryland Gender:	Re: Tach Reply #8 - 10/11/06 at 14:25:29 Extrapolating from my owners manual...4000 rpms at 60mph and 5000 rpms at 75 mph. So based on that, it runs 15 mph/1000 rpms in 5th gear. If the owners manual is accurate then you're running 4667 rpms at 70mph...Of course, that's a BIG IF...
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Reelthing Serious Thumper Alliance Member Offline Fish or ride that is the question Posts: 5397 Houston,Tx Gender:	Re: Tach Reply #9 - 10/11/06 at 16:36:49 Ok the run is in and matched the numbers fairly well - todays test mule a 1995 Savage with near new me880's and close to 25k miles: 60mph is dead on 4000 rpm and 70mph shows ~4600 rpm, with tad over 5000rpm dead on 75mph
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LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10666 Oklahoma Gender:	Re: Tach Reply #10 - 10/11/06 at 16:54:22 My last time out it was showing 3850 @ 60, with a 140/90 on the rear.
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barry68v10 Serious Thumper Offline Posts: 955 Maryland Gender:	Re: Tach Reply #11 - 10/11/06 at 17:52:15 The larger tire will change your true speed, but won't affect your tach/speedo readings. The speedo is hooked to the tranny. If it were hooked to the front wheel, then rear tire/gear changes wouldn't throw it off. Of course a GPS speedo would be accurate no matter what you did...
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thumperclone

Serious Thumper
Alliance Member

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PGR rider riding
with respect

Posts: 6072
Grand Junction Colorado
Gender: male

Re: Tach
Reply #12 - 10/11/06 at 18:40:49

i have a 30 some $ digi tach the feed wraps round the plug wire(direction of wrap from coil to plug) only time i use it is to maintain idle speed and carb tuning..most important is idle speed for proper oil flow at stop lights..
too slow not e nuff flow ,too fast too much heat.. with that said someone tell me why day to day the idle speed changes..humidity,barometric pressure,needle not seating correctly,dirty goggles,old age,too many trips to the dumpster?

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standing for those who stood for US

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Reelthing Serious Thumper Alliance Member Offline Fish or ride that is the question Posts: 5397 Houston,Tx Gender:	Re: Tach Reply #13 - 10/11/06 at 18:55:11 I bet my money on the long term effects of dumpster doings as the likely effect on the idle - could be temp and pressure changes effecting the vac slide, but I'm going with the dumpster
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Enfield_fan Ex Member	Re: Tach Reply #14 - 10/12/06 at 07:21:32 Ballbreaker wrote on 12/31/69 at 16:00:10: Hello, just for those who didn´t know: Can someone tell me where is the bus with the people in it who wants to know this? I don't know, but whereever it is, it is short. =]
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