why I won't run Mitas E-07s again - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 34 Old 07-30-2016, 07:31 AM Thread Starter
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why I won't run Mitas E-07s again

I have been running a set of Mitas E07 Dakars for nearly 7500 miles, and still plenty of tread, the longest a set of MC tires has ever lasted on my Vee, in the beginning about the ony thing I didn't like about them was less grip than I like on wet pavement

It turns out, that is not the most severe problem, I ride a lot of gravel roads, about 50% of my riding where they seem to excel in performance.... why do they excel, cause they clear their treads of debris very well, which leads to the problem, where the debris, pebbles, small stones, grit, etc, gets thrown

I hear more gravel hitting the underside of my front fender, yup, fender is now broken from the beating , mounting tab on the left side is cracked all the way across, only the mounting tab on the other side secures the fender to the fork

today I learn that I now have broken teeth on my front sprocket and my chain is toast, and the chain and sprockets (530) were installed same time as the tires just over 7000 miles ago when I normally get 45,000 miles from 530 chain and sprockets, only thing I can summize is that crap is getting thrown into the chain as well that other tires don't kick up that high

These tires are beating the crap out of my bike
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post #2 of 34 Old 07-30-2016, 10:02 AM
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Broken teeth on your sprocket will ruin your chain and a damaged chain can brake teeth on a sprocket. It seems pretty likely that if your running 50/50 gravel roads that gravel is likely the culprit. A stone between the chain and sprocket will definitely do bad things.

Even if you believe the tires are the culprit I wouldn't stop with changing the tires though. If your going to run gravel that much you might want to add a sprocket and chain guards like used on dirt bikes. Some are plastic rings that go around the sprocket. Blackspire C4 Ring God Bash Guard > Components > Drivetrain > Bash Guards | Jenson USA

Longer chain guards are available that provide coverage almost all that way up to the swing arm pivot.

Seems like good insurance.
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post #3 of 34 Old 07-30-2016, 11:52 AM
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You could give the Shinko 804/805 a try? My buddy runs those E07 on his GS "of course it is a shaft drive" and says he will likely never buy different tires ever again because they work so well off and on road.

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post #4 of 34 Old 07-30-2016, 12:18 PM
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When I ran a K60 on the front I felt like I had the same issue. Rocks getting stuck in the tread and dragged through the fender. Fortunately I didn't break mine.

No such problems with the TKC80.

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post #5 of 34 Old 07-30-2016, 12:23 PM Thread Starter
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Quote:
Originally Posted by richlandrick View Post
Broken teeth on your sprocket will ruin your chain and a damaged chain can brake teeth on a sprocket. It seems pretty likely that if your running 50/50 gravel roads that gravel is likely the culprit. A stone between the chain and sprocket will definitely do bad things.

Even if you believe the tires are the culprit I wouldn't stop with changing the tires though. If your going to run gravel that much you might want to add a sprocket and chain guards like used on dirt bikes. Some are plastic rings that go around the sprocket. Blackspire C4 Ring God Bash Guard > Components > Drivetrain > Bash Guards | Jenson USA

Longer chain guards are available that provide coverage almost all that way up to the swing arm pivot.

Seems like good insurance.
I have always ridden 40% or more gravel and never had this issue before, even running TKC80s and Karoo Ts

the guards on the link you posed only fit up to a 38 tooth sprocket


I will have to do some research

on another note, I just got back from visiting my bike at the dealer, my engine side cover (stator side)has corroded so much around one of the bolt holes that it leaks oil, $247.75 and on back order, eeek, I just scored one on Ebay used that includes the mounting bolts and stator for $21.24 free shipping

I'm not finding as good a deal on the front fender
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post #6 of 34 Old 07-30-2016, 04:13 PM
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Just providing examples of what you might try.
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post #7 of 34 Old 07-30-2016, 07:33 PM Thread Starter
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Originally Posted by richlandrick View Post
Just providing examples of what you might try.
what I'd really like to do is adapt a chain enclosure from one of the XV920Rs that I have
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post #8 of 34 Old 07-30-2016, 08:22 PM
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" XV920Rs"

A classic design.
I think I've only seen one, in Oklahoma of all places, other than magazines.
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post #9 of 34 Old 07-31-2016, 09:21 AM
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Wow. That would be a neat DIY project. Good luck.

I myself would do this with a XV920R.



Seriously, XV920Rs are rare bikes and modified look so much like Vincent black shadows. The above was my computator back ground for a while.
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post #10 of 34 Old 07-31-2016, 09:38 AM Thread Starter
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" XV920Rs"

A classic design.
I think I've only seen one, in Oklahoma of all places, other than magazines.
a bike that was ahead of its time, one of the first mono shock bikes with what I would call "unibody" construction, a heavy pressed sheet steel backbone frame with the engine as a stressed member, The frame is also the airbox.

only sold in the US for 1½ years, in Europe a few more as a 1000cc up from 920, ergonomics and geometry very close to that of the V-strom and 505 lb weight, light for its time, the engine,easily modifiable to over 100hp, but under 70 in stock form.
a delightful 9"diameter headlamp that lights up the road at night as good as any modern high performance headlamp

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