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Old 05-24-2013, 10:15 AM   #901
DougZ73
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Quote:
Originally Posted by DirtJack View Post
I use one of those (large size) rubber strap wrenches that Lowe's and Home Depot have. The one I bought had 3 sizes (the small one went into the kitchen drawer to open jars ).
Thanks. I have those too, and did try, but it juts does not hold tight enough> also was hard to do since flywheel is down into engine, and strap tool was not able to be put on squarely.

My buddy brought me over a Tusk(RockyMountainATV) tool that is a clutch tool...but has nubs on the back for this exact type fitment. Looks like a funky big set of vice grips.

http://www.rockymountainatvmc.com/p/...h-Holding-Tool
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Old 05-27-2013, 07:27 AM   #902
RideFreak
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Bottom End

I'm getting ready to have the crank rebuilt on the 300, It's up over 300hrs on the motor and it's feeling a little loose otherwise it's running great. Never having split the cases on the 300 I wanted to ask those of you who have what to look out for. I've done many other 2ts but never a 300. Obviously I'll need a flywheel puller, is there a specal tool to drive the crank out of the cases?
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Old 05-28-2013, 04:33 AM   #903
DougZ73
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Originally Posted by RideFreak View Post
I'm getting ready to have the crank rebuilt on the 300, It's up over 300hrs on the motor and it's feeling a little loose otherwise it's running great. Never having split the cases on the 300 I wanted to ask those of you who have what to look out for. I've done many other 2ts but never a 300. Obviously I'll need a flywheel puller, is there a specal tool to drive the crank out of the cases?
nope, just a mallet to bang out end if crank when taking off case sides, per the PDF manual I found online.
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Old 05-28-2013, 07:22 AM   #904
RideFreak
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Originally Posted by DougZ73 View Post
nope, just a mallet to bang out end if crank when taking off case sides, per the PDF manual I found online.
Thanks for the reply Doug. Got it tore down last night, it went quick. I opted to leave the center cases together, I priced a case splitter and crank puller for reassembly and I can get my guy who specializes in 300s to do it using all the correct tools, in the end it'll be done a little better than I can do it so I figured why spend $140 on equipment I'll probably never use again.
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Old 05-28-2013, 08:04 AM   #905
sanjoh
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Quote:
Originally Posted by RideFreak View Post
Thanks for the reply Doug. Got it tore down last night, it went quick. I opted to leave the center cases together, I priced a case splitter and crank puller for reassembly and I can get my guy who specializes in 300s to do it using all the correct tools, in the end it'll be done a little better than I can do it so I figured why spend $140 on equipment I'll probably never use again.
Who is doing your engine build? Have another "parts" bike that needs to get on the trail. What are you having done?

Thanks
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Old 05-28-2013, 04:02 PM   #906
RideFreak
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Originally Posted by sanjoh View Post
Who is doing your engine build? Have another "parts" bike that needs to get on the trail. What are you having done?

Thanks
I'm getting Andrew Cooksey from over on KTM Talk to do the crank, he's one of the 300 gurus over there and specializes in cranks. THis is mainly a refresh, bike was running pretty nice but the hrs are geting up there.
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Old 05-28-2013, 05:12 PM   #907
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Cooksey did the bottom end on mine. Really nice work and thorough. If I had him do whole motor, it would probably still be running now.LOL

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Old 05-29-2013, 03:51 PM   #908
Just John
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Cooksey did the crank on my 07 this past winter. The motor is smoother
and quieter. Next winter he will get the crank from my 01.
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Old 05-30-2013, 09:27 PM   #909
Pokey66C23
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Advice needed

Looking at joining my trail riding pals with a two stroke. I'm an older rider, lots of logging/forest service road experinece with KTM 640s, some trail riding with a Beta Techno two stroke 250. I do like having excess power when condtions permit safely using it.

I found a 2001 KTM 250 EXC, the seller also has a 300 EXC. I would jump on the 300, but the 250 is plated. I like the idea of low rpm torque that the modern two strokes are capable of putting out. I do understand jetting, and tuning can change the performance of these bike substantially.

Any one have experience with both the 250 and 300? I wish the 300 had a plate on it, it's a $500 deal minimum to plate one where I live.

Any weak points to look for on a 2001 250? What's the biggest downside to the 250 vs the 300? Do they have the same frame/suspension? Can I put a 300 head on the 250 block?

Thanks.
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Old 05-31-2013, 08:20 AM   #910
HellSickle
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Quote:
Originally Posted by Pokey66C23 View Post
Looking at joining my trail riding pals with a two stroke. I'm an older rider, lots of logging/forest service road experinece with KTM 640s, some trail riding with a Beta Techno two stroke 250. I do like having excess power when condtions permit safely using it.

I found a 2001 KTM 250 EXC, the seller also has a 300 EXC. I would jump on the 300, but the 250 is plated. I like the idea of low rpm torque that the modern two strokes are capable of putting out. I do understand jetting, and tuning can change the performance of these bike substantially.

Any one have experience with both the 250 and 300? I wish the 300 had a plate on it, it's a $500 deal minimum to plate one where I live.

Any weak points to look for on a 2001 250? What's the biggest downside to the 250 vs the 300? Do they have the same frame/suspension? Can I put a 300 head on the 250 block?

Thanks.
The 250 is a great bike. For mysterious reasons, it gets far better mileage than the 300. Good torque, and I don't think you give up a lot of power.

Yes, you can put a 300 jug, piston, and head on the 250.
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Old 05-31-2013, 08:42 AM   #911
Pokey66C23
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HellSickle,

Thanks,

If all is as the seller stated, I'll pick it up today.

Being able to convert to a 300 is a nice option to have. But the bigger deal is the significantly better fuel burn. I've passed on riding with my friends on my trials bike because after 35 miles it's dry, I would need to carry another gallon of fuel to make it the distance where they ride in the summer.

Sounds like the 250 is a perfect fit for my needs. Now I need to get schooled on how to maintain it, tune it and not crash in the woods.

Have a great summer, ride safe.

Mr Pokey.
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Old 05-31-2013, 10:23 AM   #912
Just John
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Quote:
Originally Posted by HellSickle View Post
The 250 is a great bike. For mysterious reasons, it gets far better mileage than the 300. Good torque, and I don't think you give up a lot of power.

Yes, you can put a 300 jug, piston, and head on the 250.
Not on a 01. The newer ones,03 or 04 up you can.
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Old 05-31-2013, 01:22 PM   #913
HellSickle
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Quote:
Originally Posted by Just John View Post
Not on a 01. The newer ones,03 or 04 up you can.
Ah, thanks.
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Old 06-01-2013, 01:07 AM   #914
Pokey66C23
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300 followed me home

I rode both the 250 and 300. Both nice bikes, but the 300 really did it for me. Thanks for the advice, guess I won't be stressing about not being able to convert the 250 to a 300.
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Old 06-01-2013, 07:01 PM   #915
malignity
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Hey guys,

I have an issue with my 300 I was hoping you could help me out with. The thread is posted here:

http://advrider.com/forums/showthrea...7#post21544657


I didn't want to interrupt normal conversation with an issue I'm having with mine, and wanted more exposure since 2T's are generally more easy to work on and are normally more well known. If you could take a few minutes to check it out and possibly post any suggestions, I'd greatly appreciate it. Thanks!
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