Author Topic: 1978 RD125DX jets with expansion chambers.  (Read 237 times)

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Offline Mudgnome

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1978 RD125DX jets with expansion chambers.
« on: July 12, 2019, 07:41:43 AM »
Have some Higgspeed expansion chambers inbound.......I want to have some main jets in the toolbox for
Jetting.....I know every bike may be different,but can someone recomend some jet sizes to have kicking around.

The Rd is stock atm,with no other mods.
“ Drowning.......................not waving”

Offline Alistair64

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Re: 1978 RD125DX jets with expansion chambers.
« Reply #1 on: July 12, 2019, 08:55:41 PM »
You won't need much of an increase, if any at all.
Standard is 84, so I would try one size up, 86.
Don't expect much of an increase in performance either.
1982 Candy red RD200DX
1986 RD350F1

Offline Mudgnome

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Re: 1978 RD125DX jets with expansion chambers.
« Reply #2 on: July 13, 2019, 11:15:08 PM »
You won't need much of an increase, if any at all.
Standard is 84, so I would try one size up, 86.
Don't expect much of an increase in performance either.

Thanks for the info,no don’t expect a power increase.......just the sound of chambers does it for me.
“ Drowning.......................not waving”