powervalve servo gears
- norwichcrm
- New kid on the block
- Reactions:
- Posts: 2
- Joined: 30 Jun 2009, 22:37
powervalve servo gears
hi all
just wondering if anyone has had to replace the nylon gears in the powervalve servo and where they got their's from, as i pulled mine apart tonight to find the large output gear and the adjacant gear with a few teeth missing. i have checked the site in the long powervalve investigation thread but didn't find it very helpful.
regards
Robin
just wondering if anyone has had to replace the nylon gears in the powervalve servo and where they got their's from, as i pulled mine apart tonight to find the large output gear and the adjacant gear with a few teeth missing. i have checked the site in the long powervalve investigation thread but didn't find it very helpful.
regards
Robin
Re: powervalve servo gears
welcome to the site!norwichcrm wrote:hi all
just wondering if anyone has had to replace the nylon gears in the powervalve servo and where they got their's from, as i pulled mine apart tonight to find the large output gear and the adjacant gear with a few teeth missing. i have checked the site in the long powervalve investigation thread but didn't find it very helpful.
regards
Robin

if you found the correct thread viewtopic.php?f=6&t=3010&st=0&sk=t&sd=a ... powervalve then from what I remember there is a suggestion of a shop you can buy them from and also the type of shops (ie model shops) - not sure what else we can give you...apart from actually buy them for you (but that'll cost ya

Regards
SkidMark
AR's rock!!!
TwinAir filter, Braided Brake Hoses, Swingarm/Shock bearings done!, Rear Shock overhauled and customised by G-Force, 14-44 Gearing, Exhaust decoked (fun with Caustic Soda!), DEP silencer.
TwinAir filter, Braided Brake Hoses, Swingarm/Shock bearings done!, Rear Shock overhauled and customised by G-Force, 14-44 Gearing, Exhaust decoked (fun with Caustic Soda!), DEP silencer.
- knackeredMk1
- Super Moderator
- Reactions:
- Posts: 4185
- Joined: 03 Nov 2006, 17:41
- Bike Owned: Modified Mk1
Re: powervalve servo gears
Or you can buy a secondhand powervalve servo (be sure it works or at least has complete cogs
). CRM125 has the same cogs and the same plug as some 250s as I would assume the NSR125R has as it's the same engine.

- norwichcrm
- New kid on the block
- Reactions:
- Posts: 2
- Joined: 30 Jun 2009, 22:37
Re: powervalve servo gears
yer i looked at that thread and the site it suggested but it didn't really seem very clear what was what. Another problem i can forsee with buying gears from a toy shop is that the larger output gear is where the potentiometer slots in and i don't think there'll be anything that will match it. i think i'll try and go down the route of buying a NSR servo and stripping the gears out of that as there is a couple on ebay going fairly cheap.
Just on a note aside i decided to pin the powervalve fully open this evening, wow! couldn't believe the difference, have just bought an AR recently having passed my test and fancied a step up from my DT, i was kinda disapointed riding it about with no real powerband and now i realise what i've been missing out on, is pretty flat at the bottom but it soon takes off :)
thanks
Just on a note aside i decided to pin the powervalve fully open this evening, wow! couldn't believe the difference, have just bought an AR recently having passed my test and fancied a step up from my DT, i was kinda disapointed riding it about with no real powerband and now i realise what i've been missing out on, is pretty flat at the bottom but it soon takes off :)
thanks