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Author Topic: New to the Lt250r game, my build thread.  (Read 1919 times)

Offline Weldurrr

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New to the Lt250r game, my build thread.
« on: October 17, 2021, 03:53:22 pm »
Howdy there, I just picked up a 86’ Lt250r and I wanted to start a thread of the build.  Gonna see what kind of performance I can milk out of the first gen. I’ll be posting progress here often
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Offline Weldurrr

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Re: New to the Lt250r game, my build thread.
« Reply #1 on: October 17, 2021, 03:55:21 pm »
I’m having a hell of a time attaching a picture?? Any tips or tricks I should know about?
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Offline Andys92

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Re: New to the Lt250r game, my build thread.
« Reply #2 on: October 17, 2021, 04:10:43 pm »
Tapatalk is the best way
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1992 hybrid,Bartlett trail port ,custom dynoport
Lonestar lt250. Bartlett 285 with curtis sparks porting and custom dynoport

Offline turbowrenchhead

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Re: New to the Lt250r game, my build thread.
« Reply #3 on: October 17, 2021, 06:11:13 pm »
We're doing the same with an 87. Doing a stock build.  From what I have been reading the LT isn't the best choice for engine modifications. They have their faults.

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1987 Yamaha Banshee (75 RWHP)
2002 Yamaha Blaster (25 RWHP)
1987 Suzuki LT250R (beginning restoration)

Offline Rainman56

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Re: New to the Lt250r game, my build thread.
« Reply #4 on: October 18, 2021, 12:57:12 pm »
Quote from: turbowrenchhead on October 17, 2021, 06:11:13 pm
We're doing the same with an 87. Doing a stock build.  From what I have been reading the LT isn't the best choice for engine modifications. They have their faults.

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The 250's respond great to modifications and are a solid engine...........It's the 500's that have issues right from the factory and need more work to make them reliable when increasing the HP.
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Offline turbowrenchhead

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Re: New to the Lt250r game, my build thread.
« Reply #5 on: October 19, 2021, 04:07:23 pm »
What all will you be doing?

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1987 Yamaha Banshee (75 RWHP)
2002 Yamaha Blaster (25 RWHP)
1987 Suzuki LT250R (beginning restoration)

Offline Rainman56

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Re: New to the Lt250r game, my build thread.
« Reply #6 on: October 28, 2021, 09:21:42 am »
Quote from: turbowrenchhead on October 19, 2021, 04:07:23 pm
What all will you be doing?

Sent from my SM-G973U using Tapatalk

My 87 250 I'm using Jerrys V2 reed and spacer setup,38mm carb,ported cylinder with modified stock head and picked up a new SCP exhaust last year that I have yet to try...Also running a billet clutch basket and Barnet dirt digger clutch.
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Offline turbowrenchhead

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Re: New to the Lt250r game, my build thread.
« Reply #7 on: October 28, 2021, 09:43:55 am »
Just got my frame back

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1987 Yamaha Banshee (75 RWHP)
2002 Yamaha Blaster (25 RWHP)
1987 Suzuki LT250R (beginning restoration)

Offline Rainman56

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Re: New to the Lt250r game, my build thread.
« Reply #8 on: October 29, 2021, 07:07:13 pm »
Quote from: turbowrenchhead on October 28, 2021, 09:43:55 am
Just got my frame back

Sent from my SM-G973U using Tapatalk

Lookin good...Is there something different about those rear fender supports?My eyes could be deceiving me but something looks odd?
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Offline turbowrenchhead

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Re: New to the Lt250r game, my build thread.
« Reply #9 on: October 29, 2021, 07:47:39 pm »
They're not attached yet.  Still looking for the rh support

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1987 Yamaha Banshee (75 RWHP)
2002 Yamaha Blaster (25 RWHP)
1987 Suzuki LT250R (beginning restoration)

Offline turbowrenchhead

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Re: New to the Lt250r game, my build thread.
« Reply #10 on: November 01, 2021, 06:52:13 am »
What is the head mod all involve? Is this something you send out to have done?
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1987 Yamaha Banshee (75 RWHP)
2002 Yamaha Blaster (25 RWHP)
1987 Suzuki LT250R (beginning restoration)

Offline Rainman56

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Re: New to the Lt250r game, my build thread.
« Reply #11 on: November 02, 2021, 04:51:30 am »
Quote from: turbowrenchhead on November 01, 2021, 06:52:13 am
What is the head mod all involve? Is this something you send out to have done?

I could be wrong but don't think it's a necessity like the 500's.......But yes the head mod is sending the head out to get it machined.
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Offline turbowrenchhead

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Re: New to the Lt250r game, my build thread.
« Reply #12 on: November 02, 2021, 05:41:17 am »
To whom?

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1987 Yamaha Banshee (75 RWHP)
2002 Yamaha Blaster (25 RWHP)
1987 Suzuki LT250R (beginning restoration)

Offline Holeshot 500

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Re: New to the Lt250r game, my build thread.
« Reply #13 on: November 02, 2021, 08:47:12 am »
When you have the cylinder ported, many times the head is modified also. It can be milled for more compression, and/or the dome shape changed. It depends on what the porting guru wants to accomplish.
It's not a necessity on a stock 250, IMHO.
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Offline Motoman991

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Re: New to the Lt250r game, my build thread.
« Reply #14 on: November 03, 2021, 04:15:13 am »
Frame is looking good!
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Offline Weldurrr

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Re: New to the Lt250r game, my build thread.
« Reply #15 on: December 29, 2021, 04:12:58 pm »
Sorry for the hiatus, works been super busy.  So Ive been compiling parts before I strip it down and send things to powder and my top end to rich at dyno port.    Got some +2 full flight arms, and elkas on order . But they’re like 16 weeks out…  using some rpm billet ltr450 hubs, spindles and brakes.  Picked up a fmf pipe (all  I could find, for now).  Also switched to some spare hubs from one of my atc’s .  Gave me 1.75 inches extra per side with 4/110 bolt pattern. 
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Offline Weldurrr

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Re: New to the Lt250r game, my build thread.
« Reply #16 on: December 29, 2021, 04:16:00 pm »
No matter what I do it keeps saying upload folder is full,  even after resizing to like 120kb
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Offline Andys92

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Re: New to the Lt250r game, my build thread.
« Reply #17 on: December 29, 2021, 04:45:08 pm »
Try using tapatalk to post pics
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Lonestar outlaw lrd ported 265 national ,custom dynoport exhaust etc
1992 hybrid,Bartlett trail port ,custom dynoport
Lonestar lt250. Bartlett 285 with curtis sparks porting and custom dynoport
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