M109

A friend of mind has a M109, Has anybody D/S this bike. Does anybody know what tire and size would work and look good on it?

Not sure I have heard of anyone doing it yet!...... Tell your friend someone needs to go first, it might as well be him!...

.......................bobby

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+1

m109 240/40/18 motorcycle tire. I would say that a 245/40/18 car tire should work. Go to www.discounttire.com They have a lot of tires in that size. I been waiting to see a M109 DS.

If a CT works on a triumph rocket, it would work on a M109. Go for it!

If I remember right, (my memory is slipping a little) the rear fender on a M109 is shaped like the tire and a fairly close fit. You might have to get the radius of the tire and measure out from the axel to that point and then measure how wide the fender is at the intersecting point. Because the ct is a little flatter you may have to drop to a 235 tire.

Jerry

Hey all,

I am currently running a 245/40-ZR18 Sumitomo tire on my M109R Suzuki. I am going to post a link to my writeup and photos that i posted on a different web page. I am not trying to get you to join or any kind of crap like that, but i am a member there and the is where i keep most of my info.

http://www.m109riders.com/forums/showthread.php?t=114959

It can be done and it can be done safely. I will save this site in my favorites and get back here to try and answer any questions you might have.

Cheers...

Man that 245 looks awesome................

Now that is cool.
Someone just joins the site to give some information.
That is what makes this place cool.

Welcome and lets see some pics of the Darksided 109.

Peace
Moon

Thanx guys, the tire took some getting used too, but I handle it very well now. It is a wide tire for a wide rim, and the hardest part is riding on crowned roads. It just takes more wrist pressure to hold the bars against the slope. I need to take more pictures with the bike OFF of the rack. It was on a bike lift, with a hack under the rear of the bike. It made it look like the wheel is way lower than the fender, and that is not the case. Someone say that they think the bottom of the fender is curved for a bike tire, that is true, but it won't affect the rear tire unless you put 2.5" or 3" lowering bones. Then, depending on your body weight, you will push the bottom fender bolts right into the tire. There is a modification for this on the 109 forum I belong to.

I will try to post a few pics, I assume it's the same on most forums.

Tire Size: Sumitomo 245/40ZR19 (shipped to my front door from www.tirerack.com for $127.



Comparison with the E3 250mm tire:



Another shot of the tire when it arrived:



Tire being mounted:



This tire fit the rim so good and so tight, that they were surprised when it didn't do the traditional POP when seating on the rim. We took all the air out of the tire and bounced on the tire and it did not come off of the bead, so I feel very confident of the fit. This is a shot of the tire after the second air up for safety concerns



Tire hanging low, remember the bike is lifted up for placement of the rear tire onto the bike. My bike sits pretty low on this rim and tire.




I don't have too many miles on this set up yet. I have right at about 500 since I put the tire on. I have a total of 17,000 on my bike so far. I will not go back to a regular motorcycle tire, unless I go to a track for some old school racing. With the darkside tire on, you will lose some of your cornering skillz. I used to be pretty good in corners as I have gone through 2 sets of pegs from being ground off by the street in turns. I run a custom set up now, so I no longer ride that aggressive. This was the perfect swap for me.

Here are a couple of overall shots...



Here is a shot of the custom peg extensions and my air covers that were cut out for the Maltese Cross look




I will check back with you guys later.

cheers....

That's friggin awesome! Perfect tire for a great bike. I want one!

That does look great!

Thanx guys

I am used to the tire now and it rides like normal. It will always take a little more
"wrist-push" in the corners because the back tire is almost 10" wide.

You guys have a great week...

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rcj_houston wrote:Thanx guys

I am used to the tire now and it rides like normal. It will always take a little more
"wrist-push" in the corners because the back tire is almost 10" wide.

You guys have a great week...

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WOW...... I can say it backwards, WOW! Very nice job on the 109! You gonna be the envy of all the 109's and also since you are the first to darkside one.....A LOT OF HATRED!.............. Congrats and glad we could help ya!


...........................bobby

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Ok guys, i had my kids (16 and 21) take a few videos me riding the bike with the new back tire on. I have about 1000 miles on it now and will not go back to a regular tire again. The videos are jerky and I couldnt seem to explain wnough how to take a good video. So, here they are...


The first one cuts off with them making fun about me forgetting my blinker is on.



The second pics up almost immediately.



Have a great weekend guys

Cheers...

Great vids....thanks! That darkside looks awesome on your 109!


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Your cost of ownership just went WAY down by going darkside. Those 245 MTs are not cheap! Congrats on going darkside. Heck, I want a 109 now!

RCJ Houston I see you finally made it over to this site. I get my 245/45/18 tommorrow morning. I'll post pics over the weekend.

Cheers

Doc.

wow in those vids did you even put you put your feet down when you stopped ?
It didn't look like it 245 is a wwwwiiiiddddeeee tire.

Another 9 joins the darkside.

It's not a Toyo like I thought it was, its a Kendra, Kaiser 245/45/18 96W







Cheers

Doc

still a sweet lookin tire!

Thanks mate.
I have noticed or at least think that I have been getting a slight amount of slippage on the rim. Have marked the rim and the tyre again and will go for a ride tommorrow and check it out again. The problem may be the initial launch, causing it to slip & this could have also been the reason for chewing out the guts of the MT in quicktime. Since I have opened the airboxes, fitted a shotgun style exhaust and PCIII USB it has woken it up and given it some more grunt, I should say a lot more grunt.

Keep ya'll posted.

Cheers

Doc.

docbiggles wrote:Another 9 joins the darkside.

It's not a Toyo like I thought it was, its a Kendra, Kaiser 245/45/18 96W







Cheers

Doc

Hey DOC!

Welcome to the darkside!!!

Looking good bro!

I haven't had too much time to check back over here too much.

I am glad you are trying it out. I have been having a few balance problems with mine. The tire is a little out of round, so i am having to run about 33psi in it instead of the 43psi that i like to have in it. Did you have the infamous "pop" sound when they put the tire on? Mine did not. I check my air pressure at least twice a week because i am having to run it a bit lower than i had expected. I let all the air out of the tire the other day to add dynabeads (Save your money, did not help withthis tire) and my tire came off of the bead. I am definitely a darksider for good, so i will most likely try a bit more expensive of a tire that will have a better quality in the actual manufacturing of the tire.

Let me tell you a little more about the tire i chose. At 33psi, the tire is almost perfect round. At 43psi (a number i felt more safe with at the time) the tire becomes ablong. A definite manufacturing problem, but i am not going to try and send the tire back. Way too much hastle as i bought mine online at the tirerack. I did not get any extended warranty or anything so i am a but screwed. Besides, i put the tire on a bike. Not something they would expect.

Anyway, i will holler at you later about this when i get a bit more free time. Like i have said in different posts on different sites...go to a parking lot and practice! Practice turns, etc. Practice very slow moves and turns and try to keep your feet on the pegs without touching the ground. Like my advanced instructor taught me...

"I am much more impressed with a guy that can take a big beast and turn it around on a dime than one that can twist the throttle all the way open. Any idiot can go fast. It takes a true rider to turn on a dime and show total control of his bike."

Be sure to break the tire in and get any of the coatings off of it. Should take about 300-400 miles.

cheers bro, cant wait to see more shots.

PS: Your tire slippage might have a lot to do with air pressure. What pressure are you running your tire at?

horseman8m wrote:wow in those vids did you even put you put your feet down when you stopped ?
It didn't look like it 245 is a wwwwiiiiddddeeee tire.

That actually took a lot of practice, but i like being able to almost sit still with my feet up, trips people out when you ride with them.

Also, the tire is over 9" wide.

Which is cool, unless you are riding on a severly crowned road, then it is a handful...

Cheers...

I apparently purchased a complete POS of a tire! I figured that buying a Japanese tire would make sense with a Japanese bike.

Well i was completely wrong. I have spent a fortune trying to balance this complete piece of sh1t tire that i bought. I am very irritated that i CAN NOT get this thing to balance. here is the scoop.

I have to run an air pressure of 25 to 27psi. This is DANGEROUS when the normal rear tire pressure is 40psi! if i get to 15psi, the tire pops off its bead because they can not make a tire to fit the rim properly. Know how the tire is supposed to POP when it seals? Well, mine never has. I let the air out on day to add some balancing beads and the tire came of of the rim! It is not tight enough to even stay sealed at a low pressure! This IS AD knews all. I am the first guy to try new stuff, but after 9000 miles on this tire, I AM DONE!

This is why.

1. I have to run this tire at a low pressure to keep the damn thing balanced. Period. If i go 29 psi, it become out of round and bounces like a tire with no wheel weights.

2, If it is cold outside and my pressure is low, i take a chance on this poping off the bead of the rim. My average speed is way over 65mph. My avg is at least 75mph. Taking a chance on the tire coming off bead is a bad story.

3. if i put the normal 27psi in the tire on a cold day, and i run it for a hundred miles or so, it heats up and the pressure builds. When this happens, it goes beyond the norm max of 29 psi and the tire becomes out of round. This will vibrate your ass to death. The tire manuf states the tire is good for weights on avarage of 1700 pounds. My bike does not weigh that much even with my fatass on it.

4. The bottom line is that i gave this one hell of a try. And i honestly believe that if you buy a NORMAL tire....make sure it is 255 x 35 x 18 for the m109r, not a 245 x 40 18. the 240 will not seal at low pressure where the 255 will. Please take note of this.

5. I recently (as of TODAY) ordered a Metx 280 to go back on the rear rim so the bike will ride normal again.

6. I have not completely given up on the car tire. Like i say, i have over 9k on it and show no WEAR at all! The front tire ore out at 3500 miles because of the different in diameter with the 10" car tire on the back. I had to go with a 160.60.18 on the front. YES IT FITS! But, it is a rear tire and had to be run in reverse.

sorry i havent been on here in months. I help with another site that i have paid lots of money to support. That is where i spend my time and money and efforts. You guys rock and i will check back in here from time to time to say hello and find out wtf is going on with everyone.

As you can tell i am pissed over this PIECE OF SH1T tire that i got from Tirerack.com. NEVER again will i buy a jap tire to fit a jap bike. I should have spent a $300 or so instead of under $150. I should have bought a 255.35.18 instead of a 245 x 40 x 18. When this tire wears out, i will either go with a 280 mets or spend several hundred for a diff car tire.

Cheers and i will check back when i am not working and have some free time.

Keep up the good work on this site and thanx for letting me vent!