Why is my Rhino so slow? - Yamaha Rhino Forum - Rhino Forums.net
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post #1 of 40 (permalink) Old 11-22-2011, 08:49 PM Thread Starter
Puddle Jumper
 
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Why is my Rhino so slow?

Ok here's the deal. I have an 07 660 with dragon fire CDI and air filter adaptor. I also have HW 18gram greaseless primary weights with the HW orange secondary spring. All turning 26" tires on 14" rims. My cousin has an 06 660. Bone stock with 25" tires.
In a drag race, he gets me off the line all the way till his rev limiter kicks in. WTF. Do tires an inch taller and an inch wider than stock really make that big of deal.
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post #2 of 40 (permalink) Old 11-22-2011, 08:54 PM
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your also running 14" wheels yes they make a big deal

Drive it like you stole it
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post #3 of 40 (permalink) Old 11-22-2011, 09:12 PM Thread Starter
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So it's all the wheels and tires you think?
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post #4 of 40 (permalink) Old 11-22-2011, 09:38 PM
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if u wanna keep those big heavy wheels u will like sum 14 gram total weight weights,

u atleast need 16 gram total 18 is stock

and yes heavier rotating mass on these under powered rigs is a huge down fall
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post #5 of 40 (permalink) Old 11-22-2011, 10:06 PM
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going from stock tires to my 26-9-12's I like feel a power loss.

put a JBS sheave in it, you'll get your power back and then some!

💩💩💩💩💩💩💩💩
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post #6 of 40 (permalink) Old 11-22-2011, 11:26 PM
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ditch HW's b.s and call JBS, he will lead you in the right direction. James runs his business as a passion, not a necessity. Check out his vendor section, I have not found a bad review...anyone?
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post #7 of 40 (permalink) Old 11-23-2011, 04:38 AM Thread Starter
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Thanks for the help guys. I actually contacted James earlier this week. I've got a trip planned this weekend, then I'm sending him my sheave as soon as I get back.
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post #8 of 40 (permalink) Old 11-23-2011, 05:51 AM Thread Starter
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Do they make 14 gram OD weights? Do I want OD weights?
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post #9 of 40 (permalink) Old 11-23-2011, 06:00 AM
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Quote:
Originally Posted by tbbarber View Post
Do they make 14 gram OD weights? Do I want OD weights?
yes.i have them with alum. inserts...dan loves 14s in his..ODs dont have roller flop and i mill the sheave to have the best bottom end possible with the ODs
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post #10 of 40 (permalink) Old 11-23-2011, 06:15 AM
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hell yes! I have 26's and a 4 seater and the 14's get me going much quicker! it REALLY surprised me in the dunes, where it's maximum load on the motor, went everywhere I wanted!

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post #11 of 40 (permalink) Old 11-23-2011, 06:36 AM Thread Starter
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Awesome. Thanks guys. James I'll get my sheave sent out to you Monday.
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post #12 of 40 (permalink) Old 11-23-2011, 06:44 AM
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^^What he said!!
I have the same setup. 4 seater w/ cage, 26" tires . The JBS sheave w/14g od's were the ticket!!
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post #13 of 40 (permalink) Old 11-23-2011, 06:54 AM
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Awesome. Thanks guys. James I'll get my sheave sent out to you Monday.
make sure you put your name in the box and that it is to be milled and your phone #...thanks james

thanks guys!!
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post #14 of 40 (permalink) Old 11-23-2011, 06:56 AM
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Tires make a HUGE difference. A CDI basically only increases rev limit. THe producers love to tell you the spark energy is higher, and better starting, blah blah, all BS.

it does increase rev limiter and thats it. your tires will KILL your acceleration unless you get a JBS machined sheave. I have one, they're awesome and really help gain back your power loss from the tires and then some.

good luck

2011 Yamaha Rhino Sport
JBS Sheave 16gr OD weights/ Orange Spring
2D MSD Charge with Bazazz fuel controller
Rhino Stage II cam
Dual Muzzy's w/ whisper cores
27 XTR's on 14" ITP's, 2" CFM Lift
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post #15 of 40 (permalink) Old 11-23-2011, 06:58 AM Thread Starter
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What's your guys thoughts on a 700 cam plate?
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