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| 78 CR250 Head Gasket https://vintagedirtbikeforums.alp-sys.com/viewtopic.php?f=21&t=1833 |
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| Author: | 78redracerguy [ Sat Apr 19, 2008 11:15 am ] |
| Post subject: | 78 CR250 Head Gasket |
Hello all. I bought a new head gasket for my 78 CR250. Do I just put it on as is as it is a copper gasket? Or are you supposed to put something on it when you install it? Thanks |
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| Author: | redrocket190 [ Sat Apr 19, 2008 1:15 pm ] |
| Post subject: | Re: 78 CR250 Head Gasket |
As is, will be fine. |
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| Author: | 78redracerguy [ Thu May 01, 2008 10:54 pm ] |
| Post subject: | Re: 78 CR250 Head Gasket |
What torque ratings should i tighten the head bolts to? Thanks! |
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| Author: | redrocket190 [ Fri May 02, 2008 9:21 am ] |
| Post subject: | Re: 78 CR250 Head Gasket |
Go the Reference section and download the manual.... |
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| Author: | 78redracerguy [ Sun May 04, 2008 9:27 am ] |
| Post subject: | Re: 78 CR250 Head Gasket |
It says in there to torque the cylinder nuts to 28-35 lb ft but I cant see anywhere where it tells you what to torque the head nuts too? Can you please let me know as I have been wanting to change my head gasket and dont want to until I know the proper torque.... Thanks |
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| Author: | b-joe [ Sun May 04, 2008 10:13 am ] |
| Post subject: | Re: 78 CR250 Head Gasket |
17,4 - 20,9 lb ft |
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| Author: | 78redracerguy [ Sun May 04, 2008 11:20 am ] |
| Post subject: | Re: 78 CR250 Head Gasket |
9 lb ft? What is the "17, 4-20" mean in your post? Thanks |
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| Author: | dogger315 [ Sun May 04, 2008 12:14 pm ] |
| Post subject: | Re: 78 CR250 Head Gasket |
17,4 - 20,9 lb ft means 17.4 to 20.9 lb-ft dogger |
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| Author: | 78redracerguy [ Sun May 04, 2008 1:15 pm ] |
| Post subject: | Re: 78 CR250 Head Gasket |
Thank You!! |
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| Author: | redrocket190 [ Sun May 04, 2008 3:43 pm ] |
| Post subject: | Re: 78 CR250 Head Gasket |
Page 66 - Cylinder Head - 14.5 to 16.6 ft lbs. Snug them down hand-tight and then torque using a criss-cross pattern. |
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| Author: | 78redracerguy [ Sun May 04, 2008 4:02 pm ] |
| Post subject: | Re: 78 CR250 Head Gasket |
Uh Oh..... I already did it earlier this afternoon and torqued to 20 lbs ft... I took it for a ride and it seemed fine... what problems is this going to cause me over torquing them like this? And yes I did the criss cross pattern when tightening them.... |
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| Author: | spannerman167 [ Sun May 04, 2008 5:23 pm ] |
| Post subject: | Re: 78 CR250 Head Gasket |
Just ride it it will be fine. You obviously haven't stripped the threads or distorted anything so you have no worries. |
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| Author: | b-joe [ Mon May 05, 2008 12:01 pm ] |
| Post subject: | Re: 78 CR250 Head Gasket |
78redracerguy wrote: 9 lb ft? What is the "17, 4-20" mean in your post? Thanks sorry, in europe we use "," for you it`s 17.4 - 20.9 lb ft |
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