FYI,
Here is where I ended up. Took a 10 mile ride, and performance was good, and reading spark plugs showed I was at least close.
Slide: 70/1 (OEM = 60/1)
Main Jet Front Cyl: 145 (OEM = 148)
Main Jet Rear Cyl: 152 (OEM = 155)
Needle: K5 (Same as OEM)
Atomizer: 265 (Same as OEM)
Pilot Jet: 75 ...
Search found 4 matches
- Sat Aug 06, 2011 7:00 am
- Forum: Carburettor & Fuel System Shop
- Topic: Dellorto adjustment for altitude
- Replies: 1
- Views: 4701
- Sat Jul 02, 2011 7:53 pm
- Forum: Carburettor & Fuel System Shop
- Topic: Laguna Seca Race Carb or OEM?
- Replies: 4
- Views: 8062
- Wed Jun 29, 2011 10:18 am
- Forum: Carburettor & Fuel System Shop
- Topic: Laguna Seca Race Carb or OEM?
- Replies: 4
- Views: 8062
Laguna Seca Race Carb or OEM?
I have 2 sets of carbs for my Laguna Seca.
OEM and race.
Both Dellorto. OEM is PHM40, race is PHM4D
What does the race give me? Is it really very much better?
I am reluctant to use it because it does not have an acceleration pump, or an idle speed adjustment screw.
I would guess that Idle ...
OEM and race.
Both Dellorto. OEM is PHM40, race is PHM4D
What does the race give me? Is it really very much better?
I am reluctant to use it because it does not have an acceleration pump, or an idle speed adjustment screw.
I would guess that Idle ...
- Wed Jun 29, 2011 9:51 am
- Forum: Carburettor & Fuel System Shop
- Topic: Dellorto adjustment for altitude
- Replies: 1
- Views: 4701
Dellorto adjustment for altitude
I've moved from sea level to 8000 ft, and need to re-jet. I have a Laguna Seca with a Dellorto PHM40.
(I tried dropping the needle one step and that was no good. Then - duh - read the Dellorto tuning manual and they say "reduce the jet size")
I went to a bunch of local shops.. no one is familiar ...
(I tried dropping the needle one step and that was no good. Then - duh - read the Dellorto tuning manual and they say "reduce the jet size")
I went to a bunch of local shops.. no one is familiar ...