Special Tuning Tips for ’77 GL1000s + Carb Top Service

You might consider this item: Randakk’s GL1000 Carb Rebuild Video

Honda made a number of jetting tweaks in ’76 (K1 and LTD) and again in ’77 (K2) for US-bound GL1000s to cope with tightening emissions regulations. Other markets were affected as well. Honda necessarily made the bikes progressively leaner through these model years. Social responsibility is a good thing for large corporations, but these were not great moves from the rider’s point of view. Riding a bike with overly lean carburetion may be “green,” but it certainly can be frustrating.

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Air Cutoff Valve Overhaul

You might consider this item: Randakk’s GL1000 Carb Rebuild Video

The air cutoff valve is a simple but vital component of the carburetor system on GL1000s. Its function is to eliminate backfiring on hard deceleration (throttle fully closed). Hard deceleration creates a high vacuum signal in the intake tract which activates the valve. When activated, it restricts the flow of air to the external idle circuit air jets thereby richening the mixture. This slightly richer mixture is calibrated to eliminate backfiring in this operational mode.

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2009 Race Effort

2009 Race Schedule / Results

 2009 Season Summary:

AHRMA Standings:

Nationally ranked 2nd in Vintage Superbike and Formula Vintage.Regional series (Pacific Crown): 1st in Formula Vintage and 2nd in Vintage Superbike.

Regional series (Masters of the Midwest): 2nd in Vintage Superbike and 2nd in Formula Vintage

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