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Discussion Starter · #1 ·
Just would like to thank all the post and comments. I am a fairly new writer myself have a 2003 Honda 600 vlx 5 spd. Reading all the post and replies answered every single one of the questions I was going to ask. Because my back rides and runs exactly like everyone's been talking about. Love the bike love the way it rides just wish it was a little faster but I now know what to do. Already have a set of drag pops for it going on this weekend. Would like to learn how to mess with the timing a little bit and put a free flow air filter and also going to try the sprocket exchange. I weigh around 150 to 160 . The fastest I got was around 82mph. It gets there pretty good but feels like it needs another great to me though.
 

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1983 Honda vt750 Shadow
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19,357 Posts
I love the "drag pops".You might get more decel pops also.
Have fun and be safe.
 

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1995 VT1100C2
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4,636 Posts
I hate to discourage you, however fair warning: improving top speed and acceleration on the VT600 is expensive for slight improvement. I think most would agree that to improve performance you should look to VT750 or VT1100 or better yet a sport 600. Opening pipes/intake and adjusting timing may get about 2-3% increase. Changing gear ratio you need to decide whether you like top or bottom trade-off.
 

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Discussion Starter · #4 ·
I'm not worried about the acceleration. I'm not a racer anyways LOL I just like to cruise. I'm just trying to get a better Cruise speed than where I'm at now. Feels at home around 50 to about 57 mph. I've already got the drag pops for it just have to put them on. Just looking for advice. But yes I really would like to have me a 750. Like to have under 1,000cc considering I'm still fairly new at riding. But I only have my bike really to trade nobody likes to downgrade LOL
 

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You should easily be able to do 70 with the stock setup. I've yet to see a VLX that was running correctly that couldn't.

The biggest Achilles heel that our bikes have is they are only 4 speeds. No idea why Honda did this, because if they had fitted that 5th gear, the bike would be absolutely perfect in every way.

I guess they considered the 600 too much of an entry level, and wanted people to upgrade? No clue. Bonehead move though.
 

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Takes a man to leave it stock.
TAM to leave the FF'Screw alone.
TAM to know there is more bike than rider in any bike.
Takes A Squid to 'pop' the OEM off and the ride says; I should have listen that FF'er Screwing with my head.

Pre FF'S: Hi, new owner of a stocker. Didn't know it rides so well, starts right up, has bottom end torque. Hap pee to be here.
Post FF'S: Help. I jumped in the lake with the rest of the squids an now the bike is swimming rich, fouling plugs, no bottom end grunt like before, pops like making popcorn, Moved that FF'Screw like forever and no change. WATThell do I do now? Suggestions?

I have that guy on ignore, but I wish I never picked up the fiddle, I'm F'uked now. I think I'm screwed.

Signed,
I told you so club
 

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'83 VT750C; ‘21 SV650A
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You could go with a bigger bike, even for being new. Just don’t turn the throttle as much! Of course, they get heavier as well… I concur with the others. Seeing as you only weigh 160, the 600 should be able to get you to just shy of 100mph, topped out. 90’s, anyway. Give it a going over to see if anything is robbing power, like low compression, intake leaks, fuel system plugged, dragging brakes or driveline, etc… Even with ‘power mods’, you won’t get much extra out of it.
 

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I'm all for getting the most out of your machine, However,,, You should be sure it's running at it's full stock potential before making any changes. You CANNOT jet your way out of a physical problem in the fuel/intake system for example. Word of caution, before you go "improving" things, please read the following two links until it sinks in. The FactoryPro tuning guide MUST be done in the proper order:


 
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I was considering getting my daughter a different sprocket for the freeway. She’s petite and the 600vtx fits her well. But if her and I want to take a long trip, I can just swap out a sprocket, then swap it back to stock once we are back home and back to driving locally.
When I was in my late teens, I built a 71 Nova with a Ford 9” rear. The poor man’s “quickchange” rear was to keep a 2nd “pig” with a different gear set to swap out for different purposes. I had 4.56’s and 3.73’s.

Changing a sprockets on a Shadow would be WAY easier!
 

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A CBR600F4 should be able get you to 100.
I mean, both the Shadow and CBR are Honda 600's, so they are pretty much the same thing, amirite? ;)
Ha! The only thing the same is the approximate displacement and they both have 2 wheels... sarcasm aside, they're 2 different worlds.
 

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1999 Shadow 750 ACE VT750CD3 Modified
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1999 onward the VT600 was calmed down with 1 carb instead of 2 and milder camshafts.
They went from 35 horsepower at the wheel to 31, it went from an actual tested top speed of 99 mph to 90 mph.
If you are seeing only 82 mph shown on the speedometer it is probably something like 76-77 mph actual, I'd say it is slow for some reason.

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2013 Honda Shadow Phantom 750
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I have to agree with @Bentone on this,,,keep it stock.

Your bike should be able to run 70 mph all day long, it’s gonna feel a little squirrelly because it’s on the light side and it’s gonna rev but it will be fine. Get it running in top shape before messing with re-engineering it. Most likely if you add a “free flow” air cleaner you will also have to rejet and retune,,,and that is just more time and money that could be used for riding.

Use your time with the 600 to learn to ride well. Then in a couple of years move up to a bigger bike. I have a 750 and the only reason I would want a bigger bike is to be able to carry more gear for long trips. I would imagine that the 750’s don’t have that much more power than the 600’s so you may want to look at the 1000’s or larger when you upgrade.

Eric


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Or IF you upgrade, I have done multiple week+ trips on my 750 Ace riding 2-up. It does fine. However, I do not ride interstates if there is a good scenic road to get where I'm going. ( I think if you've ridden 50 miles of interstate, you've pretty much seen it all...) I did drop the rear sprocket 2 teeth to a 39. I consider that the best all-round for the 750 Ace. Lets it handle freeway when necessary and still responsive in town.

And note my sig line...
 
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Thank you, Phantom.

I have to admit I was a lake jumper in the 'what's it all about with this retune business' and found out, that much of a change was so expensive, yes it had a performance change. With all said and done, it was better off stock. Why? I lost the grunt the stock pipe had. Yes, more HP is linear, but to get more is more RPM. So right there an aftermarket pipe for top end, lost is the bottom end.

That stock pipe has probably specialist teams in formula, addressing the guts inside that pipe. So right there I am going to trade a cut and fit no formula needed? Not me.

Formula at the air box, formula from idle to WOT, formula from engine to rear tire. Now take the air box and see the list of driveability complaints really. The FF screw. The tooth change.

A beautiful running bike, pick a year. I'm glad it's dropping on deaf ears.

Signed,
NOLTFF
 

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2002, Shadow Spirit 1100
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I was considering getting my daughter a different sprocket for the freeway. She’s petite and the 600vtx fits her well. But if her and I want to take a long trip, I can just swap out a sprocket, then swap it back to stock once we are back home and back to driving locally.
When I was in my late teens, I built a 71 Nova with a Ford 9” rear. The poor man’s “quickchange” rear was to keep a 2nd “pig” with a different gear set to swap out for different purposes. I had 4.56’s and 3.73’s.

Changing a sprockets on a Shadow would be WAY easier!
Cool on the Nova, I had a 74.
 
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