VMCC Winter Series Round 4

**k14** · 16th August 2006, 14:10

Originally Posted by RG100!!

you do hone a nicasil bore when you replace the piston...... so the new rings seat in well. you DONT bore out a nicksil bore without recoating.

no you don't. man there's some bs info floating around here. go and watch any rs rider change a piston. take the barrel off, put the new piston on and put the barrel back on. any mention of a hone there? the nikasil is too hard to be honed and isn't necessary.

**Ivan** · 16th August 2006, 14:14

Originally Posted by k14

no you don't. man there's some bs info floating around here. go and watch any rs rider change a piston. take the barrel off, put the new piston on and put the barrel back on. any mention of a hone there? the nikasil is too hard to be honed and isn't necessary.

Yeah and usally when you scratch the nickasel you get a new barrel.

**Sketchy_Racer** · 16th August 2006, 14:26

So why was the mechanic giving the RG150 barrel at Hi torque cycles a nice hone when i saw him??

I just relayed the information he told me. and thats so the Rings seat in better....

**Ivan** · 16th August 2006, 14:29

Originally Posted by RG100!!

So why was the mechanic giving the RG150 barrel at Hi torque cycles a nice hone when i saw him??

I just relayed the information he told me. and thats so the Rings seat in better....

Who knows but you aint ment to do it, My tutor said you dont Nathan said you dont its basic knowledge you just dont do it, maybe he dont know what he doing

I can ask m,y mate who is a GP Mechanic in MX1

**Sketchy_Racer** · 16th August 2006, 14:34

i wouldda thought Phil would know what hes doin? he seems onto it??

**stanko** · 16th August 2006, 14:51

I Just bought a rg150 barrel, guess what- its got a cast iron sleeve. Wonder if they are all like that?

**Sketchy_Racer** · 16th August 2006, 14:54

Im havin second thoughts now as well!!

**svs** · 16th August 2006, 15:51

Originally Posted by RG100!!

i wouldda thought Phil would know what hes doin? he seems onto it??

i know nothing..... (ok I know you mean the other phil)

Just rang Wellington m/c. They say the RG doesn't have a nikasil plated bore and you can hone/bore them. Where'd you guys get the information that the RG was coated?

I'm not saying Wellington m/c are right but....

**Sketchy_Racer** · 16th August 2006, 15:59

lol..

acctually after thinking about it,

your both bloody good guys!!

Oh and why did i think that the RG was coated??

A bad assumption i guess!! and also i believe i was looking at one sitting in the bike shop that had flaking nikasil.....

hmm mysterys..

ask ivan he has a bore sitting in his shed!

**Ivan** · 16th August 2006, 16:06

Originally Posted by RG100!!

lol..

acctually after thinking about it,

your both bloody good guys!!

Oh and why did i think that the RG was coated??

A bad assumption i guess!! and also i believe i was looking at one sitting in the bike shop that had flaking nikasil.....

hmm mysterys..

ask ivan he has a bore sitting in his shed!

I havent checked it buried away in shed
That would bewhy but Im just saying you cant hone nicasel its just something you dont do you pull top end down sticknew piston in and thats it no honing you dont want to damage the coating cause once thats F#$%D the barrels had it you can get it replated but the next job isnever as good so Alarumba you can bore it .05 oversize

**Sketchy_Racer** · 16th August 2006, 16:08

Yeah well if the bores aren't coated then its only gonna cost him about $50 to get it bored out!!

You struck lucky Alarumba!!

Oh and sorry about the confusion guys.... My bad .

**k14** · 16th August 2006, 16:53

Originally Posted by svs

Where'd you guys get the information that the RG was coated?

Yeah exactly. I think a few people on here should make sure they get their facts straight before leading on other people into making the incorrect decision.

So now alarumba. Take the new piston and the barrel to a place and they will rebore and hone it and you should be all up and running again.

**Sketchy_Racer** · 16th August 2006, 18:16

No K14 it was not an assuption.

When i was in the shop i was told it was a RG150 bore that he was honing and he said it was a nikasil bore.
because he showed me where the the nikasil was starting to flake off inbetween the exhaust ports.

I'll got talk to him....

So it was more that i may have been told the wrong information.