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Old 12-11-2018, 06:54 PM   #1 (permalink)
Daschicken
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Join Date: May 2012
Location: Georgia
Posts: 742

Cibbie - '88 Honda CBR 250R
Motorcycle
90 day: 48.49 mpg (US)

Rarity - '06 Honda Accord EX V6
Team Honda
90 day: 29.88 mpg (US)

Baby viff - '86 Honda VFR 400R
Motorcycle
90 day: 42.15 mpg (US)

Latios - '08 Suzuki SV650SF
Motorcycle
90 day: 64.56 mpg (US)

Mazda 3 - '14 Mazda 3 i Sport
90 day: 43.25 mpg (US)
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Oversized front sprocket safety?

SV650SF coming soon...

Now I have to address a dilemma. The stock front sprocket is a 15T, but a 16 and UP TO 17T will fit, but the 17 is very close. Now, my question is, is that 17T unsafe? In the event of a chain failure where the chain bunches up at the front sprocket and destroys the engine cases, wouldn't a huge front sprocket prevent there even being room for the chain to bunch up to begin with?

I would much prefer the 17T to the 16T as it widens my sprocket choices and reduces chain velocity(less lube slinging).

My gearing choices right now are a 16/39 or 17/41 compared to the standard 15/45. That 17/41 will put it at 4111 RPM at 70, compared to 5113 RPM for the standard bike! That is just 6 RPM higher than what a stock SV1000S would cruise at!

I definitely won't be going into 6th gear below 25 mph with the new gearing, about time I get some tall gearing! I have been in 6th gear with my CBR 250R at 9 MPH.

Edit: Even 5th gear is too tall for 25 mph, it would be around 1650 RPM. The bare minimum RPM I want to be running is 1800.

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Best trip in V6: 52.0
Best tank in V6: 46.0
Best tank in Mazda: 49.9
Best tank in CBR: 61.3
Best tank in SV: 83.9

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Last edited by Daschicken; 12-12-2018 at 02:59 PM..
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