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Sith Slayer
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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Tue Sep 20, 2016 1:56 pm 
I think with 4.5g you get the variator spinning g fast enough that it will push the weights just as high and you get the best acceleration.
with 5 and 5.5 I just wasn't getting enough of either. lazy acceleration and a decent top end.
4.5 surprised me.

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Space Docker
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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Tue Sep 20, 2016 7:41 pm 
Andy, I've always thought a fatty would have to affect speed to some degree. As long as the circumference is the same, it shouldn't affect the gearing, but it would add extra weight, and rotating weight at that. I don't have any proof, it just seems logical. :meh:

Jedi, I was surprised too! I took a nice 2-hour ride today, after swapping my 5/5.25 mix for a full set of 4.6s. I expected the RPM to go through the roof, but it didn't make nearly as much difference as I expected, just a couple hundred revs. Takeoff is better, acceleration is better, and I gained a little top speed too. I've never been one of those guys who posts a hill-bomb speed as my top speed, but I do think it provides useful info as to the gearing. On the same hill that I hit 52 @ 9300 before, today I hit 54.6 @ 9700.

FWIW, my 0-30 e.t. is right at 9 seconds. Next time out I'll try to get e.t.s for 0-40 and 0-45.

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One of Us
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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Thu Sep 22, 2016 12:18 pm 
oldfart55 wrote:

my 0-30 e.t. is right at 9 seconds. Next time out I'll try to get e.t.s for 0-40 and 0-45.


Great info! Cool to see that the 4.6g weights made a difference. 9 sec to 30mph is awesome. I would be interested to know how long it takes you to hit 40/45mph.

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Dirty Sanchez
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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Thu Sep 29, 2016 5:06 pm 
All good stuff -- thanks Andy and everyone for sharing. Hoping to have a few warm days (and healed rib) to GET tuned better before winter...

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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Sun Oct 02, 2016 5:07 pm 
Quick update
Went for a cruise with the wife and my brother. The wife's bike is still a beast. So fast!!! I can't touch that thing.
My brothers bike has the same clutch springs installed as me. His bike revs WAY higher. Hits 10,000rpm no problem. Has to chop throttle like crazy so he doesn't over rev the valves.

My brother and I are painfully slow at top speed. It was a bit colder but my max speed on a 30min cruise was 57.5kph. Terrible! I think I lost near 10kph after installing the clutch springs. My revs are crazy though. I cruise between 8700-9400rpm no problem now. The bike does feel strong but it's not turning into top speed. The acceleration is maybe a bit fast. Maybe. I was running 4.5g sliders all day.

I don't know. I hope the top speed comes back.

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Space Docker
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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Mon Oct 03, 2016 12:28 pm 
Andy, I know this seems like an obvious question, but what are the differences in set-up between your bike and your wife's? Have you tried copying her set-up?

Just a thought, but with that fairly-fresh blue Polini contra, 4.5s may not be heavy enough to force the clutch completely open.
The engagement springs shouldn't affect anything except what rpm the clutch engages. Shouldn't have any effect on top speed. :meh:

Still running a Gates belt? If you have a stock Bando laying around, give it a try and see how it affects the top speed. Just to satisfy an old man's curiosity. :wink:

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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Mon Oct 03, 2016 1:32 pm 
oldfart55 wrote:
Andy, I know this seems like an obvious question, but what are the differences in set-up between your bike and your wife's? Have you tried copying her set-up?


I am starting to think her bike is a freak.
It has a stock carb. (the modded one wouldn't idle- my fault) A modded intake manifold that doesn't match the carb side now. A KN varaitor and roller weights. I cant even remember what weights it runs. It even has stock exhaust. We have the same belt. I remember when we got her bike I gave her the KN varaitor cause I was near maxing it out and couldn't get any speed. (stole the Malossi off this bike)
My bike runs the same jets, same intake and filter. Only major differences are tires- boppers on stock rims and a 6" stretch and the fact she is at least 50-60lbs lighter than me. :meh:

oldfart55 wrote:
Just a thought, but with that fairly-fresh blue Polini contra, 4.5s may not be heavy enough to force the clutch completely open.
The engagement springs shouldn't affect anything except what rpm the clutch engages. Shouldn't have any effect on top speed. :meh:

Still running a Gates belt? If you have a stock Bando laying around, give it a try and see how it affects the top speed. Just to satisfy an old man's curiosity. :wink:


You are right i should be running heavier weights. I am going to swap the 6.1g Polini rollers tonight and see if they're any better.

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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Tue Oct 18, 2016 12:29 pm 
Well, our season is almost done here. Snowed last night.
Still trying to put on as many km as I can to break in that Contra spring. tough with the weather turning. Got out for a late night rip. Ruck ran like garbage in the cold. Potentially related to the cold the bike has developed an issue with cold starts. I'm guessing either my valves are out of wack again or my battery doesn't have enough juice to turn it over. Fro all i know that battery is the original one from 2003. it might be time for a new lighter and stronger one.....

And my Black Friday shopping list begins :banger:

Pic from the other night.

Image

Image

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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Mon Dec 19, 2016 3:30 pm 
Not sure if you can call this an update but........

Needed a change, luckily I was able to sell my GP exhaust pipe locally. Furiously saving for something new.

Got my eyes on these;

http://scootertuning.ca/en/exhaust-syst ... black.html

http://www.minimotolab.com/product/hotl ... t-exhaust/

God Dam that hot lap is sick, but I'm having a hard time dealing with the cost of that thing......
Not sure of the quality on the Two Brothers head pipe as the company has them fab'd to fit the fatty setup.

Anyone have any input on these two system?

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Habitual Offender
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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Mon Dec 19, 2016 3:40 pm 
I love the look of the Hotlap exhaust!

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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Wed Dec 21, 2016 8:38 am 
Ty-Dean Customs wrote:
I love the look of the Hotlap exhaust!


Ya man I'm with ya on that. It's a great looking system.
But I keep coming back to the cost. The Hotlap is no question a better looking pipe and likely fits perfectly.
Not sure I can spend almost what I paid for the ruckus on just the exhaust...... I guess we'll see who has the best Boxing Day or New Year's sale.

Did cruise YouTube and found some sound clips of each pipe.
Hotlap 666
https://www.youtube.com/watch?v=d4frmALJvEw
https://www.youtube.com/watch?v=I4oXJ6XRfkw
Two Brothers
https://www.youtube.com/watch?v=g9sp7XRIjeg - Skip to 2:58 on the video. (14" silencer)
https://www.youtube.com/watch?v=RIiJH8Bhlxw - Installed on GY6- Skip to 0:48 on video (10" silencer)

IMO both pipes sound similar - YouTube sucks for quality sound. The Two Brothers has much more of a 4 stroke dirt bike sound. Which I'm ok with. One down side to the Two Brothers is that the head pipe has to be modified to fit and I have no idea on the quality from Scooter Tuning. Nothing some black header wrap couldn't fix I'm sure.....


Lots to consider. More to come.

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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Mon Dec 26, 2016 9:28 pm 
Order placed :banger:
Excited to GET this....

Now for Canada Post to show up.

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Space Docker
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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Mon Dec 26, 2016 10:39 pm 
And the winner is..... :?:

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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Wed Dec 28, 2016 1:16 pm 
Ended up going with the Two Brothers Black Series.

Scootertunning.ca put out a 20% end of the year deal I couldn't pass up.
Excited to have a different pipe for next season.

Might be a few months before I put it on though. My other bike projects are consuming most of my time right now.

Will post pics when it gets here.

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Ride Game Participant
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 Post subject: Re: Andy's Project Ruck- tuning results
PostPosted: Wed Dec 28, 2016 1:32 pm 
:popcorn:

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