11-17-2014, 04:02 PM
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#1 |
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Join Date: Nov 2014
Posts: 2
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HI Bird QH 250 GY 250cc
Need info on the wright size pulley puller and need info on how to set cam and flywheel timing chain , as I think it jumped time as the chain tension was never used to keep chain tension. So I need a diagram on how to set timing.
It's a Honda clone I just don't know what Honda engine.  P.S Year 2007
Last edited by kc5bdb; 11-18-2014 at 02:53 PM. Reason: Add Year of Bike |
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11-18-2014, 10:51 AM
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#2 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Please show us pics of the motor, and we'll go from there.
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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11-18-2014, 04:35 PM
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#3 |
Join Date: May 2007
Location: Altamont, Kansas
Posts: 15,103
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Weld is the expert on these.
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You meet the nicest people on a Honda Clone. |
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11-18-2014, 05:50 PM
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#4 |
Join Date: Mar 2008
Posts: 2,436
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Last edited by humanbeing; 11-19-2014 at 08:39 AM. |
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11-19-2014, 11:09 AM
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#5 | |
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Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Quote:
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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11-19-2014, 11:15 AM
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#6 | |
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Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Quote:
Put the cam bolts back in, and then remove the two chrome screw covers on the left side engine cover. Insert a socket through the center hole, and rotate the engine counter-clockwise until a T appears in the upper hole. There is a line next to the T, and it must line up with a notch in the viewing hole. When it lines up, the horizontal lines on the cam sprocket will line up with the valve cover mounting surface. If it does, everything is happy. Does it seem like there isn't enough cam chain tension?
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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11-19-2014, 11:27 AM
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#7 |
Join Date: May 2006
Location: Yuma, Arizona
Posts: 9,056
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For reference, I believe the Hi Bird bikes were Lifan related. I think Hi Bird might have actually been a subcontractor of sorts for Lifan--some of their bikes looked identical, and their old website kind of referenced a connection. My guess is the engine is related, or an actual, 223cc Lifan. I bet Humanbeing can confirm or correct me on this...
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"They say that life's a carousel, spinning fast you got to ride it well..." TGB Delivery Scooter 150 TMEC 200 Enduro--carcass is sadly rotting in the backyard |
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11-19-2014, 11:36 AM
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#8 | |
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Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Quote:
It is closely related to the Honda XR200 / XR230, but the cylinder stud spacing is larger on your engine. That changes everything in the top end. There is a ton of parts available for your engine on www.taobao.com; just search for CB250.
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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