1977 Yamaha GS340 Spark Plug
Browse our online catalogue to find original replacement Spark Plugs specifically designed to fit a 1977 Yamaha GS340.





1977 Yamaha GS340 Spark Plug
$4.82
$3.82
10+ In Stock
Condition: New
Ships: Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Required Per Vehicle: 1
Fits: 1977 Yamaha GS340
Equipped With:
Engine Base: -L 338cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 338cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.020in Part # BR7HS
Gap 0.020in Part # BR7HS





1977 Yamaha GS340 Spark Plug
$4.82
$3.82
10+ In Stock
Condition: New
Ships: Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Required Per Vehicle: 1
Fits: 1977 Yamaha GS340
Equipped With:
Engine Base: -L 338cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 338cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.020in Stock# 4122
Gap 0.020in Stock# 4122





1977 Yamaha GS340 Spark Plug
$16.30
$12.44
10+ In Stock
Condition: New
Ships: Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Required Per Vehicle: 1
Made in Japan
Fits: 1977 Yamaha GS340
Equipped With:
Engine Base: -L 338cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 338cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.020in Part # BR7HIX
Gap 0.020in Part # BR7HIX





1977 Yamaha GS340 Spark Plug
$16.30
$12.44
10+ In Stock
Condition: New
Ships: Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Required Per Vehicle: 1
Made in Japan
Fits: 1977 Yamaha GS340
Equipped With:
Engine Base: -L 338cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 338cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.020in Stock# 7067
Gap 0.020in Stock# 7067

1977 Yamaha GS340 Spark Plug
$4.31
$5.06
10+ In Stock
Condition: New
Ships: Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Pick-Up: Ready in 1 Hour Monday Mar. 30th
Required Per Vehicle: 2
Made in Japan
Fits: 1977 Yamaha GS340
Vehicle Fitment Notes:
Gap 0.027 Resistor Plug
Gap 0.027 Resistor Plug

1977 Yamaha GS340 Spark Plug
$20.31
$12.19
Out of Stock
Condition: New
Required Per Vehicle: 2
Made in Japan
Fits: 1977 Yamaha GS340
Vehicle Fitment Notes:
Gap 0.032 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Gap 0.032 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)