Shinko 705 cupping

2980 Views 9 Replies 9 Participants Last post by wornout, 8 mo ago

darthandy

Discussion Starter · 8 mo ago

I'm almost due for a new rear tire and was checking the front as well. I noticed that it is cupping noticeably although I haven't felt any new vibrations or ill handling. I've read a couple of old posts that mentioned some cupping of the front 705's but also with no obvious problems. Have many of you using the 705's noted much cupping with age? I check my tire pressure before every ride and if it has dropped, I fill it to 37 to 38 p.s.i., slightly above the recommended the recommended 36 p.s.i. on the front. This size tire seems to be very suscceptible to large changes of temp and pressure, as I frequently have to fill it although on one occasion, when we had been blessed with a sudden jump in temps, the pressure had actually gone up a couple of p.s.i. I have had the tire and the wheel checked early on and everything checked out OK so I'm assuming the pressure changes over the course of a week are normal. Anyway, I would be curious to know if others are having this cupping problem with their 705's. Other than this, the tires have been great on the street and well enough on what little "off=roading" that I do (gravel roads and occasional dirt roads - I'm too old to want to risk picking this thing up from between logs or big rocks!).

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outdoorgb

· #2 · 8 mo ago

I've run four Shinko 705's but on KLR's. Love the tire, good and sticky on the pavement.

Never had a cupping issue and would get 7-8k miles out of them. I ran them at 33 psi. Last ran in 2017.
Not certain if this helps. Perhaps a production change and quality is slipping? Just a comment.

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PlugnPlay

· #3 · 8 mo ago

My '14 DL1000 is still on its first-ever set of 705s. No cupping so far at 3,600 mi, date-aged 2 yrs.

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Spec

· #4 · 8 mo ago (Edited)

All front tires will cup at some point. Aggressive front brake use will accelerate the process.

Cupping is more dramatic the more off-road oriented the tire. Here's the front tire (Dunlap 606) on my DR 650.

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PerazziMx14

· #5 · 8 mo ago

PlugnPlay said:
My '14 DL1000 is still on its first-ever set of 705s. No cupping so far at 3,600 mi, date-aged 2 yrs.

Give them time. There is one thing all Shinko 705's do and do well is cup. Rears not so much but the fronts make up for it.

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knotzilla

· #6 · 8 mo ago

My rear 705 never cupped but the front always will. I had one front that vibrated the handlebar when I let go at about 25 km an hour. The price can’t be beat, Ted

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chirosyd

· #7 · 8 mo ago

I loved the 705's when I owned my 1000. 10,000 miles on the front when cupping was bad enough to need the tire replaced. The rear 705's typically lasted 4,000 miles, and just wore down due to the power. As others have said- great tires for the price.

I replaced the OEM tires on my Tiger 900 gt with Dunlop Trailmax tires. Great tires on the road and light off road. I could see these tires lasting 10,000 miles front and rear, and would also be great on the Vstrom.

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darthandy

Discussion Starter · #8 · 8 mo ago

Thanks all for your input. It seems that cupping may be a bit of a problem on these 705's, but it doesn't seem to have much of an effect on handling and vibration and that certainly has been my experience.I did a bit of a search on Youtube and found several Adventure Bike tire tests and the 705's scored very well there especially given their lower price.Since my road race days are well past as are my off-roading days, I think I can live quite well with the performance of the 705's especially in view of their much lower price. As much as they may hate to admit it, I think that 80% (or more) of Adventure Bike riders would be well served by these tires as they are unlikely to ever push them to (or even near) their limits on or off road. As a road racer I, like the other guys, liked to brag about wearing tires evenly from edge to edge, but in reality, that only happened on the track. On the street, there were (and still are) just too many obstacles to allow us to ride that hard. The same holds true for off-roading and I suspect that most Adventure Bike riders use their bikes as sport touring machines that happen to be more comfortable than the typical dedicated sport touring machines. The hazards of advancing years and decaying bodies I'm afraid.

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bajakirch

· #9 · 8 mo ago

I've been a 705 convert for several years now for my DL650. Other than a brief flirting with Dunlop Trailsmarts (the price was too good to pass up; I found them no good for the 'trail' and didn't feel very 'smart' for buying them), they're the only brand I've had since replacing the stock Bridgestones.

Yes, I've experienced cupping on the front, but it's usually after getting nearly 10K miles from them. For me, that's fair performance for the price.

FWIW, I typically get about 5K on the rears.

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wornout

· #10 · 8 mo ago

Try a little more preload in the front forks.

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