Hi All, I am looking for the link to white spacer mod and its feedback... can someone help...regards

Sorry I also can not find the link to the White Spacer Mod.  The instructions are either not specific enough or it is not there.  Here is the tech section reference to Carbs and Jetting.

Fuel & Exhaust

...Intake

Inexpensive high performance air filter
12 Step Cone Filter Mod and Re-Jet (w/pics; this keeps battery box & airbox)
Big K&N stealth install with IMPROVED PICS

...Carbs & Jetting

.…..Stock

Carb Specs.
Mid-Range Power & the White Spacer (Backfire)
Lancer's Straight & Simple Carb Tuning
Mikuni Jets for VM & CV carbs + Tuning Info
Mikuni / Dynojet jet size comparison
Idle Mixture Plug
carb jetting- a progressive guide
Carburetor cleanup Island Style

.…..General

Carbs 101
Mikuni General Tuning Guide

.…..Upgrades

UFO...Ultimate Flow Optimizer
Mikuni Jets for VM & CV carbs + Tuning Info
Keihin FCR tuning

…...Broken Links
A Carburetor Primer
Factory Pro CV Carb Tuning Instructions
Carburetor Setup

...Exhaust

Dyna Muff Install
Sportster muff installation
Savage Sounds (mufflers)
MAC muffler install
how to remove melted plastic
Lancer Upgrade


...Petcock

Test your Petcock,.. don't just turn it to Prime..
Petcock Issues (poll and summary)
Raptor Petcock Reserve Capacity
Petcock repair kit
MANUAL operation ON/OFF/RES

No where do I see White Spacer Mod.  I do see, Mid-Range Power & the White Spacer (Backfire).  Maybe I'm missing it.

I created a new section for the backfire issue.

This reminded me of a great solution to the problem... the TEV or decel valve.  And added links to them as well.  I wish I could remember all I knew.  Thanks for the nudge.