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Author Topic: New YZ Project  (Read 7839 times)

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Offline mj4trax

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« Reply #30 on: October 24, 2013, 09:33:45 PM »
That's one rough bike to start with....  which will make the build more rewarding. 

I think you'll be happy in the end as '01 is a good year for the yz125....  I know I like mine an awful lot.

'01 is the last year they had a steel frame AND a 6-speed trans....  '02-'04 went to a 5 speed trans and '05 went to aluminum frame.

I also think you'll be happy having it stay a 125...    once you go up in displacement, it loses a lot of its charm.   
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline Stusmoke

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« Reply #31 on: October 24, 2013, 10:05:07 PM »
That's one rough bike to start with....  which will make the build more rewarding. 

I think you'll be happy in the end as '01 is a good year for the yz125....  I know I like mine an awful lot.

'01 is the last year they had a steel frame AND a 6-speed trans....  '02-'04 went to a 5 speed trans and '05 went to aluminum frame.

I also think you'll be happy having it stay a 125...    once you go up in displacement, it loses a lot of its charm.   

Yamaha went to a 5 speeder from 02 onwards? Really? As if the Hondas weren't enough of a failure.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline mj4trax

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« Reply #32 on: October 29, 2013, 07:00:12 PM »
Yamaha went to a 5 speeder from 02 onwards? Really? As if the Hondas weren't enough of a failure.

Only the '02, '03 and '04 yz125 were 5 speeds.  They still generally won the shootouts, though typically in spite of the 5 speed. 

'05 onwards went back to a 6 speed trans, and they have aluminum frames (which are not my preference).   
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
2003 RM250
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1986 trx310R
1989 trx250R

Offline spencer.price3

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« Reply #33 on: November 01, 2013, 01:16:54 AM »
So here comes the fun part, ordering parts! Woohoo! It is going to be a big bill, but I am doing this so that I can learn about motorcycle mechanics. However I really need your guys' help. I am trying to decide between a Hot Rods crank and a Wiseco crank. I had previously installed a Hot Rods crank professionally and it shredded to pieces after about 6 hours in my Honda, so I am very hesitant to go Hot Rods again. However I have heard many good things about Hot Rods, and that maybe I just had bad luck. What do you guys think?
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline spencer.price3

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« Reply #34 on: November 01, 2013, 01:23:46 AM »
Or do you guys think that I should order the tools necessary to build the seized crank that I already have?
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline Stusmoke

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« Reply #35 on: November 01, 2013, 02:25:28 AM »
Deinitely go a new crank but as for hot rods or wiseco, I've heard more bad things about wiseco. You're the second person on here that has had a hot rods seize in six hours on a honda. Was yours an 85?
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline spencer.price3

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« Reply #36 on: November 01, 2013, 03:48:26 AM »
Nope, mine was a cr125, 2001.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline Stusmoke

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« Reply #37 on: November 01, 2013, 10:16:19 AM »
Pretty sure my 2001 CR125 had a hot rods in it that held up well to my (extreme) abuse.
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Offline spencer.price3

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« Reply #38 on: November 01, 2013, 08:52:31 PM »
Okay, I guess I will give Hot Rods another try!
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline motoxr377

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« Reply #39 on: November 02, 2013, 10:15:42 PM »
check out partzilla.com first and see how much an oem crank is, I assure you it is better than both.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline spencer.price3

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« Reply #40 on: November 18, 2013, 04:53:00 AM »
Well, my parts came in, and it was like Christmas! Unfortunately I found that I have a few parts I still need to get, if anyone has YZ parts they would like to sell, let me know. Anyways, here are some pictures of the goodies.



« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline spencer.price3

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« Reply #41 on: November 18, 2013, 04:54:28 AM »
Oh! Also, how do you know if you need a new head, and where could I get one repaired, or even modified?
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Offline _X_

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« Reply #42 on: November 18, 2013, 11:19:51 AM »
i love christmas!
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline mj4trax

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« Reply #43 on: November 18, 2013, 06:50:44 PM »
Oh! Also, how do you know if you need a new head, and where could I get one repaired, or even modified?

Is there damage on your current head?  Typically it will only need replaced/reworked if there is pitting in it from detonation.  The pitting will create an initiation site for future detonation. 
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
2003 RM250
2004 RM250
2001 yz125
1986 trx310R
1989 trx250R

Offline spencer.price3

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« Reply #44 on: November 28, 2013, 04:23:18 AM »


« Last Edit: December 31, 1969, 04:00:00 PM by ' »