Pilot jet - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
 
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post #1 of 9 (permalink) Old 11-26-2010, 02:11 PM Thread Starter
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Pilot jet

Hello everyone,

I have a 1100 v star in 2002, Vance & Hines open pipes and hypercharger.
I have noticed that I was on 1 / 4 throttle spark plug white. Unable to adjust with PMS, and I should replace the OEM pilot jet 17.5 for more and to size 20.
I would ask you to tell me whether you can buy just the MIKUNI pilot jet nozzle, and where can I buy them?
Thanks
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post #2 of 9 (permalink) Old 11-27-2010, 04:12 PM
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any of the stage 2 kits would do. i sure if pilots are part of a stage 2, they are in stage 3 (why do you think it's the pilots that need upgrading?).
also what number spark plugs are you using?

Lowering the tone since 1969
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post #3 of 9 (permalink) Old 11-28-2010, 12:44 AM Thread Starter
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I have Yamaha Drag Star 1100 (EU model) 2002 yer, 44000 km (29000mph) and I have hypercharger with the accompanying Jet Kit and Vance & Hines open guns.
I just installed hypercharger PRO R and made rejjet carburetor.
PMS is a 2 circuit turn out (kyriakin recommendation). Synching Carburetors and everything is connected according to instructions.Vacuum lines are checked, they were OK.
Engine is going well in all gears (1-5) but I noticed that when starting from the place a little less pull.
I have a problem is with the frequent backfire on decel. At idle throttle occasionally hear a faint light - backfire on the front cylinder exhaust and the engine is uneven.
I tried PMS is a more 1/2 circuit turn out and much less is heard is with the frequent backfire on decel but still hear a faint light - backfire on the front cylinder exhaust and the engine is uneven.
Spark plug the new and I use NGK-BPR7ES

Sorry, my English is bad.

Thanks
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post #4 of 9 (permalink) Old 11-28-2010, 08:16 AM
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Ok i asked about the spark plugs because a white spark plug could also mean wrong plug number (too "hot"), as well as the mixture being too lean.

Which groove (from blunt end of needle) is the c-clip at ?

I have an 02 dragstar too and i installed a dynojet stage 1 kit as per instructions, but still got the small backfires like you have. So i moved the c-clip from groove 3 to groove 4, and it stopped the backfire.
PMS was at 3 turns too.

It is better to run too rich than too lean.

Lowering the tone since 1969
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post #5 of 9 (permalink) Old 11-28-2010, 08:50 AM Thread Starter
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c-clip on the default + one shim o, 5 mm.
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post #6 of 9 (permalink) Old 11-28-2010, 09:31 AM
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default, as in 3rd groove?

Lowering the tone since 1969
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post #7 of 9 (permalink) Old 11-28-2010, 09:43 AM Thread Starter
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Yes, am more concerned at idle throttle occasionally hear a faint light - backfire on the front cylinder exhaust and the engine is uneven.
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post #8 of 9 (permalink) Old 11-28-2010, 04:54 PM
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you could try the 4th groove, to richen the mixture.
when mine was like that, it was the rear cylinder.

Lowering the tone since 1969
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post #9 of 9 (permalink) Old 11-28-2010, 09:18 PM
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You may want to sync your carbs.


http://www.sloneservices.com/SilverB...Q-05.htm#Synch Carbs

GW
2005 1100 Custom
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10,000 Monkeys throwing crap at the glass and this one thinks he's Picasso...
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