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The VHM discharge valve cover allows rapid adjustment of the spring preload from the outside.
The code consists of the cover with adjustment and a dual stage spring.
The dual stage spring allows a lightning response during the opening and closing of the valve, ensuring that at high revs the valve is always completely open.
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Reference: VER.01.125
Brand: Italkit
Pneumatic exhaust valve adaptable to Rotax engines 125 cc and 140 cc, for engines type 122 and 123.The different opening adjustments of the exhaust valve range from the "softer" "position 1" (low rpm exhaust valve opening) to the "hardest" "position 9" (high rpm exhaust valve opening)
Reference: VLV5-HTS2
Brand: Rimotoshop
Valve collars/shims included
Reference: VER.01.125
Brand: Italkit
Pneumatic exhaust valve adaptable to Rotax engines 125 cc and 140 cc, for engines type 122 and 123.The different opening adjustments of the exhaust valve range from the "softer" "position 1" (low rpm exhaust valve opening) to the "hardest" "position 9" (high rpm exhaust valve opening)
Reference: ALB-HTS1
Brand: BC engineering cilindri
