Engine Rebuild Question?

J

Jed Ashby

New member
Joined
Dec 17, 2007
Messages
11
Age
43
Location
Canada
Good afternoon all,
My 1994 Vmax 600 sounds like it needs to be rebuilt (getting a clacking noise from the top-end).
I've rebuilt lots of motors in my time.... but never a Vmax, and I have a couple of questions that would make my life a lot easier.....
1) Are the cylinders nickle plated? And is that why the parts catalog only lists the standard size pistons, no oversize?
2) If there are no oversize pistons available.....who should I use to get my cylinders re-plated?
3) If there are oversize pistons out there.....by which manufacturer?

Thanks a bunch
Jedrow
 
Jed Ashby said:
Good afternoon all,
My 1994 Vmax 600 sounds like it needs to be rebuilt (getting a clacking noise from the top-end).
I've rebuilt lots of motors in my time.... but never a Vmax, and I have a couple of questions that would make my life a lot easier.....
1) Are the cylinders nickle plated? And is that why the parts catalog only lists the standard size pistons, no oversize?
2) If there are no oversize pistons available.....who should I use to get my cylinders re-plated?
3) If there are oversize pistons out there.....by which manufacturer?

Thanks a bunch
Jedrow
Click to expand...
Most likely all you need is to replace the piston(as a kit) that are worn out, skirts collapse on the piston caused by worn out rings, if caught soon enough your cylinder would be in good shape...I would pull the exhaust off/manifold & take a look inside the exhaust port...I'm not 100% sure if the that engine & year had the ring catching the exhaust port or not...if the pistons are yellow looking thats excessive blow by...indication of worn rings, which leads to collapsed pistons skirts...yes most cylinders are nycasil, mic your cylinder to see if they are within specs, before ordering parts...the last quote I got from these guys;
http://www.cvtech-aab.com/contenu/index_ang.cfm
was $275 exchange...more if I ended up going oversize...cause they have to match the piston cylinder clearances first, then re-plate others will chime in...cheers
OEM parts all the way, unless going oversize...Or these guys: after market stuff
http://www.royaldistributing.com/07/
hope this helps a bit...good luck & welcome aboard...
 
Last edited:
Jed Ashby said:
1) Are the cylinders nickle plated? And is that why the parts catalog only lists the standard size pistons, no oversize?
Click to expand...
yes and yes
Jed Ashby said:
2) If there are no oversize pistons available.....who should I use to get my cylinders re-plated?
Click to expand...
you don't know if your cyl's are bad?,,they should be ok if you never had
a piston failure,stick with OEM parts.
 
theblues said:
Most likely all you need is to replace the piston(as a kit) that are worn out, skirts collapse on the piston caused by worn out rings, if caught soon enough your cylinder would be in good shape...I would pull the exhaust off/manifold & take a look inside the exhaust port...I'm not 100% sure if the that engine & year had the ring catching the exhaust port or not...if the pistons are yellow looking thats excessive blow by...indication of worn rings, which leads to collapsed pistons skirts...yes most cylinders are nycasil, mic your cylinder to see if they are within specs, before ordering parts...the last quote I got from these guys;
http://www.cvtech-aab.com/contenu/index_ang.cfm
was $275 exchange...more if I ended up going oversize...cause they have to match the piston cylinder clearances first, then re-plate others will chime in...cheers
OEM parts all the way, unless going oversize...Or these guys: after market stuff
http://www.royaldistributing.com/07/
hope this helps a bit...good luck & welcome aboard...
Click to expand...

Thanks for the info! I guess my real question was...can you bore out the cylinder and use a standard (.50 over) aluminum piston and forget about the nicasil nonsense? As for the state of the cylinder....not sure, I will rip her apart tonight or tomorrow. I will let you guys know when I do.
In the meantime...does anyone have the spec on what the cylinder diameter should be?
Thanks in advance
Jedrow
 
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No need to bore a yammie cyl out,the nic. plating is hard stuff,very tough,if it does have a bad score in the plating you can have it repaired/re-plated you don't want a sleeved cyl....
 
Jed Ashby said:
Thanks for the info! I guess my real question was...can you bore out the cylinder and use a standard (.50 over) aluminum piston and forget about the nicasil nonsense? As for the state of the cylinder....not sure, I will rip her apart tonight or tomorrow. I will let you guys know when I do.
In the meantime...does anyone have the spec on what the cylinder diameter should be?
Thanks in advance
Jedrow
Click to expand...

Best advice to give at this point is get a shop manual...go see Todd at Carleton Place Marine & place an order for a manual...it has re: & re: procedures, spec measurements & torque values/sequences...then you'll need a few special tools; like a torque wrench, micrometer, vernier calipers(digital), flex-hone, just to mention a few...If you plan on removing the engine from the sled, then you will need additional tools; like clutch puller bolt, steering wheel puller, piston pin puller(or fab one from a threaded rod-easy) & a clutch alignment tool & offset...it can be all overwhelming at times...I know some dealer will help out & others can't be bothered...Todd is a good guy he can pass a hone in your cylinder for ya, I have a clutch tool I can loan out, puller & piston pin tool & clutch tool...but like I said get a shop manual...priceless in my opinion...cheers
 
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