intake and exhaust valve replacement.


Technical information and Q&A applicable to all years and models of Goldwings
Post Reply
User avatar
1stTimeWinger
Posts: 13
Joined: Thu Mar 12, 2015 10:22 am
Location: Ardmore, Oklahoma
Motorcycle: 1992 gl1500 interstate

intake and exhaust valve replacement.

Post by 1stTimeWinger »



I'm looking into purchasing an 86 aspencade 1200 . My question does anybody have feedback as to the What , When , Where , Why , and how come the valves need replacing, and cost and headache in taking on This project. For I'm a first timer when it comes to WINGS .. Any help is greatly appreciated. Thank you


User avatar
auctioneeral
Posts: 300
Joined: Thu Sep 25, 2014 8:05 pm
Location: shamong, New Jersey
Motorcycle: 1981 GL1100 nake
1981 GL1100 full dresser
Both getting restored

Re: intake and exhaust valve replacement.

Post by auctioneeral »

How do you know valve's need replacing. If timing belts break, it will cause valves bent. If you need valves, I brought a used head of ebay with the valves and used them valves.
User avatar
dingdong
Posts: 4183
Joined: Thu Apr 08, 2010 8:35 am
Location: Oklahoma City
Motorcycle: 1976 gl1000
1993 gl1500A
2004 NRX1800 Rune SOLD

Re: intake and exhaust valve replacement.

Post by dingdong »

Yep! just about the only reason for bent valves is a broken timing belt. If so, there is a slight possibility there is piston damage also.
User avatar
littlebeaver
Posts: 4452
Joined: Mon Sep 21, 2009 6:11 pm
Location: Kansas City, Kansas
Motorcycle: 1981 gl 1100 I , 79 Yamaha XS11
Special, 82 Kawa 750 CSR, 82 Kawa 750 LTD, 03 Kawa Nomad 1500, 99 Kawa Voyager 1200

Re: intake and exhaust valve replacement.

Post by littlebeaver »

Well , the head gasket has to be replaced, that could cost $50 or so for the set, each valve may cost around $17.00 or more, You are going to need a torque wrench to torque down the head bolts ect. So your looking at around $136 for all new valves, and $50 for head gaskets...$186.00 then factor in shipping and tax..$225.00 Now gasket sets may cost more like 80-100 dollars those come with valve cover rubber gaskets and O rings..Well you get the idea..Oh your going need to replace the valves oil stems, another $25.00 Maybe $300.00 total.. :shock: I'm not a good estimator... :lol: But that should cover it.. :shock:
User avatar
Rob H
Posts: 309
Joined: Sat Dec 13, 2014 7:41 am
Location: Muscat Oman
Motorcycle: CBR 600, Z1000 Eddie Lawson. CBR 1000RR, Goldwing 1200 Interstate.

Re: intake and exhaust valve replacement.

Post by Rob H »

Why do you want to replace the valves?
User avatar
Overdog
Posts: 343
Joined: Sat Oct 12, 2013 7:00 am
Location: Pittsburgh, Pennsylvania
Motorcycle: 83 Goldwing Interstate

Re: intake and exhaust valve replacement.

Post by Overdog »

dingdong wrote:Yep! just about the only reason for bent valves is a broken timing belt. If so, there is a slight possibility there is piston damage also.

.....or being stupid and dropping a screw into the intake port while the carbs are off. (Don't ask me how I know! :shock: )
User avatar
Overdog
Posts: 343
Joined: Sat Oct 12, 2013 7:00 am
Location: Pittsburgh, Pennsylvania
Motorcycle: 83 Goldwing Interstate

Re: intake and exhaust valve replacement.

Post by Overdog »

If you're looking at buying that bike and the owner is telling you he knows that the valves need replacing (and like the others said, probably a broken timing belt) the bike may very well have piston damage as well...I'd be VERY cautious about that bike!
f1xrupr
Posts: 450
Joined: Mon Jan 13, 2014 6:13 am
Location: Triplet Va
Motorcycle: 1980 gl 1100 Std. Vetter

Re: intake and exhaust valve replacement.

Post by f1xrupr »

If someone worked on the engine, and installed the belts wrong, and bent the valves with the starter, it's probably ok to buy...but, if the belt broke while running, I would shy away. FYI...if it has bent valves, all of the valve springs must be released and check all valves for damage. Sometimes spring tention can hold a slightly bent valve closed, but, that valve will bend every time it opens and closes, and will probably break over time, and ruin the engine.
My exercise bike is a goldwing.
User avatar
Hoosier Jack
Posts: 419
Joined: Thu Oct 02, 2014 4:21 am
Location: Terre Haute, IN
Motorcycle: 1982 GL1100 Interstate

Re: intake and exhaust valve replacement.

Post by Hoosier Jack »

Man, there are a lot of bikes out there that doesn't have this kind of problem to deal with. Maybe it's an exceptional deal and you like to do this kind of stuff.
User avatar
1stTimeWinger
Posts: 13
Joined: Thu Mar 12, 2015 10:22 am
Location: Ardmore, Oklahoma
Motorcycle: 1992 gl1500 interstate

Re: intake and exhaust valve replacement.

Post by 1stTimeWinger »

I want to Thank everyone for the information and replies. Was very helpful in making a decision as to whether to buy the bike or not. I decided noto to buy it cause it would be my luck and I would need a new motor instead of jus replacement of valves. Again thank you for your help .
User avatar
redial
Posts: 2130
Joined: Mon Jan 03, 2011 1:17 am
Location: Labrador, Queensland, Australia
Motorcycle: 1997 GL1500 Spectre Red Aspencade

Re: intake and exhaust valve replacement.

Post by redial »

Keep looking, Firstimer, you will find a GW to your liking without too many hassles.


Len in Kapunda

The world is not going to finish today, as it is already tomorrow in Australia and New Zealand, and other islands of foreign nations such as Guam and Samoa.
Post Reply