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Old 03-15-2012, 03:06 PM   #61336
sagedrifter
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IRC has a 130/80/17 HD tube thats rubber. I had one recently till a long nail sunk into it.

But, I bet many guys also run the 130/80/18 or 140/80/18 size, like the Kenda HD's.

IRC's get back ordered this time a year, I do run a 17" tube when I can get one. I went through 4 tubes this year already, all rear ones. I need to restock soon.
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Old 03-15-2012, 03:20 PM   #61337
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Tm40

Anyone notice their TM40 weeping gas out the overflow tubes. It's not much, and I'm thinking part of the cause is my short kickstand. If I lean the bike over on the stand to get the rear wheel off the ground, I can get a small puddle under the bike.

I also hit reserve on the highway today, pulled over and got gas, checked my mileage, only got 40 mpg, last tank was around 46.

The carb is setup like procycle sends it out, air box cut per procycle, stock air filter, and GSXR exhaust. I been trying to remember to turn off the petcock on the IMS tank and I don't see any signs of gas in my oil.

Some have said to drop the needle one slot, but I'm wondering if I should put a 145 main jet in.
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Old 03-15-2012, 03:53 PM   #61338
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Quote:
Originally Posted by Nibis View Post
Some have said to drop the needle one slot, but I'm wondering if I should put a 145 main jet in.
The main jet doesn't have much effect on fuel economy unless you are riding around with the throttle pinned wide open. Experiment with the needle height first. Individual bikes differ in jetting requirement so some tuning may be required.
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Old 03-15-2012, 03:54 PM   #61339
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Quote:
Originally Posted by sagedrifter View Post
IRC has a 130/80/17 HD tube thats rubber. I had one recently till a long nail sunk into it.

But, I bet many guys also run the 130/80/18 or 140/80/18 size, like the Kenda HD's.

IRC's get back ordered this time a year, I do run a 17" tube when I can get one. I went through 4 tubes this year already, all rear ones. I need to restock soon.
How do you feel about reusing a tube that has no problem, just changing tires. I have a mefo I took off on count of a flat from a nail and was going to start reusing it on one of my sets of wheels that has a stock deathwing in need of replacement.
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Old 03-15-2012, 03:56 PM   #61340
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Quote:
Originally Posted by Nibis View Post
Anyone notice their TM40 weeping gas out the overflow tubes. It's not much, and I'm thinking part of the cause is my short kickstand. If I lean the bike over on the stand to get the rear wheel off the ground, I can get a small puddle under the bike.

I also hit reserve on the highway today, pulled over and got gas, checked my mileage, only got 40 mpg, last tank was around 46.

The carb is setup like procycle sends it out, air box cut per procycle, stock air filter, and GSXR exhaust. I been trying to remember to turn off the petcock on the IMS tank and I don't see any signs of gas in my oil.

Some have said to drop the needle one slot, but I'm wondering if I should put a 145 main jet in.
Reset your float level and check and clean the float needle ASAP. A little weep is normal, puddles are not! Don't ignore it.

I get 50 to 54 mpg with the needle at 3 and a 150 main. A 145 will be very lean on the top end if your air box is cut and your exhausted properly with a non-anchor muffler. You may want to verify your needle setting.

Remember, main jets don't matter as much as needle position and float height! I've thought about going to a 155, I would never go to a 145 with the cut air box and GSXR exhaust. That would be too lean say at 70 mph...

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Old 03-15-2012, 04:13 PM   #61341
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Originally Posted by procycle View Post
The main jet doesn't have much effect on fuel economy unless you are riding around with the throttle pinned wide open. Experiment with the needle height first. Individual bikes differ in jetting requirement so some tuning may be required.

Thanks, I'm not running it pinned LOL, so I guess I'll drop the needle one position
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Old 03-15-2012, 04:16 PM   #61342
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How do you feel about reusing a tube that has no problem, just changing tires. I have a mefo I took off on count of a flat from a nail and was going to start reusing it on one of my sets of wheels that has a stock deathwing in need of replacement.
I reuse tubes if I know they aren't to old, I air them up first to see if there are any questionable areas or leaks. I just reused my rear, no problems
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Old 03-15-2012, 04:18 PM   #61343
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Quote:
Originally Posted by drsmiley View Post
How do you feel about reusing a tube that has no problem, just changing tires. I have a mefo I took off on count of a flat from a nail and was going to start reusing it on one of my sets of wheels that has a stock deathwing in need of replacement.

I look them over and keep on using them till something is wrong usually. My original front stayed in till last year, so about 5 years and 4 tires. I changed it to a HD tube for that warm and fuzzy feeling. The original is my spare now.

My tubes usually die from tire spoons ie... me being too rough when I'm tired. Nails would take second place.

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Old 03-15-2012, 04:20 PM   #61344
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Originally Posted by sagedrifter View Post
Reset your float level and check and clean the float needle ASAP. A little weep is normal, puddles are not! Don't ignore it.

I get 50 to 54 mpg with the needle at 3 and a 150 main. A 145 will be very lean on the top end if your air box is cut and your exhausted properly with a non-anchor muffler. You may want to verify your needle setting.

Remember, main jets don't matter as much as needle position and float height! I've thought about going to a 155, I would never go to a 145 with the cut air box and GSXR exhaust. That would be too lean say at 70 mph...

Ok, great, and FYI the puddle is only if I tip the bike over on the stand, so it's pretty much sideways.

I don't have a good way to measure the float, guess I need to get something
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Old 03-15-2012, 04:22 PM   #61345
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My tubes usually die from tire spoons ie... me being too rough when I'm tired.

^^^^^^^ I'm glad I'm not the only one
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Old 03-15-2012, 04:45 PM   #61346
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Originally Posted by Nibis View Post
Ok, great, and FYI the puddle is only if I tip the bike over on the stand, so it's pretty much sideways.

I don't have a good way to measure the float, guess I need to get something
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Old 03-15-2012, 05:06 PM   #61347
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Exhaust plug bolts ???

2007 DR 650. 7000 miles. Stock exhaust has two "clean out" bolts on the bottom. They turn about 1/2 rotation then tighten up again.

Thinking of using penetrating oil overnight, and again in the AM, and then forcing them loose tomorrow night. Do not need another expense either.

Thought about just ignoring them, but then why did Suzuki put them on ???

Please advise.
thx
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Old 03-15-2012, 05:10 PM   #61348
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2007 DR 650. 7000 miles. Stock exhaust has two "clean out" bolts on the bottom. They turn about 1/2 rotation then tighten up again.

Thinking of using penetrating oil overnight, and again in the AM, and then forcing them loose tomorrow night. Do not need another expense either.

Thought about just ignoring them, but then why did Suzuki put them on ???

Please advise.
thx
I would ignore them, but if you must mess with them, do like you said and use the oil, but do it for a couple days, and if they don't want to come out, don't fix it if it aint broke
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Old 03-15-2012, 05:14 PM   #61349
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Well, I moved the clip on the need to the number 2 slot, that was easy, better than a CV carb. We will see how that works out with the next tank. Wish I could take it out now to see how she runs, but it's been raining and I'm watching the kids while my hottie is at college
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Old 03-15-2012, 05:20 PM   #61350
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Quote:
Originally Posted by drsmiley View Post
How do you feel about reusing a tube that has no problem, just changing tires. I have a mefo I took off on count of a flat from a nail and was going to start reusing it on one of my sets of wheels that has a stock deathwing in need of replacement.
I re-use good tubes for 2 tire changes. I figure it's no big deal for a tube to go 10-15,000 miles. If it's still good after 2 tires I'll carry it as a spare.

................shu
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