Forum Main Tech Help/Race Shop 03 cr250 mid rev rattle

03 cr250 mid rev rattle

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63604 jacob /images/default/avatar/c50.png https://www.vitalmx.com/community/jacob,63604/all 05/05/18 1

Posts: 1

Joined: 5/5/2018

Location: Silverton, OR USA

5/5/2018 9:10 AM

I bought an 03 cr250 and it makes weird noises, about 1/4 to 1/3 maybe 1/2 throttle it makes this really strange rattle, checked to powervalve cables, rebuilt the top end, don't really know where to for from here. Any knowledge helps! Thanks

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51473 H4L https://p.vitalmx.com/photos/users/51473/avatar/c50_H4L_photo_96848_1458328084.jpg?1458327318 https://www.vitalmx.com/community/H4L,51473/all 03/18/16 14 43 2370 10

Posts: 2413

Joined: 3/18/2016

Location: CA, USA

5/5/2018 3:36 PM

What premix & jetting are you running ?

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Speak softly and carry a big stick.

21278 Keith72 https://p.vitalmx.com/photos/users/21278/avatar/c50_westfair_1537630758.jpg?1537630420 https://www.vitalmx.com/community/Keith72,21278/all 07/17/10 https://www.vitalmx.com/community/Keith72,21278/setup 12 355 31

Posts: 367

Joined: 7/17/2010

Location: Omaha, NE USA

5/5/2018 4:23 PM

Detonation?

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No brains, No headaches.

10841 bvm111 https://p.vitalmx.com/photos/users/10841/avatar/c50_D3BE6119_E4CD_4C95_8864_A5040B35029F_1629471883.jpg?1629471850 https://www.vitalmx.com/community/bvm111,10841/all 07/01/08 7 23 8270 76 4

Posts: 8293

Joined: 7/1/2008

Location: Las Vegas, NV USA

5/17/2018 12:02 PM

clutch lever slop?

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2021 KTM 350 SXF
2006 KX250

Forum Main Tech Help/Race Shop 03 cr250 mid rev rattle