Contrails ! Bougies Rotax 914

 

 

Interprétation

 

Caractéristiques

Les bougies Denso X27EPR-U9 ont un filetage M12 de 19 mm de long (avec joint), avec un dépassement d'environ 1,5 mm et une électrode de section en U. Ce sont des bougies résistives, l'hexagone fait 18 mm sur plats, et l'indice thermique Denso est de 27. L'écartement nominal est de 0,9 mm.

 

Déchiffrer les références Denso

 

 

 

Diamètre filetage et cote sur plat hexagone Thread Diameter x Hex Size (mm) M --- 18 x 25.4 (Reach: 12mm) L --- 18 x 22.2 (Reach: 12mm) MW --- 18 x 20.6 (Reach: 12mm) MA --- 18 x 20.6 (Tapered seat, Reach: 12mm) FK+ --- High Ignitability Plug (0.55mm Ir center electrode, Pt ground electrode) J* --- 14 x 20.6 (Projected plug) K+ --- 14 x 16.0 (Miniature plug) KJ*+ --- 14 x 16.0 (Projected miniature plug) LP* --- 14 x 20.6 (Plug for LPG applications) P* --- 14 x 20.6 (Platinum plug) PK* --- 14 x 16 (Miniature platinum plug) PKJ* --- 14 x 16 (Projected miniature platinum plug) PQ* --- 14 x 16 (Miniature platinum plug) Q* --- 14 x 16 (Miniature plug) QJ* --- 14 x 16.0 (Miniature projected plug) QL* --- 14 x 20.6 (Miniature long cylinder housing plug) S* --- 14 x 20.6 (0.7mm diameter iridium) S --- 14 x 20.6 (Surface gap plug (for RE engines)) SK+ --- 14 x 16 (0.7mm diameter miniature iridium plug) SKJ*+ --- 14 x 16 (Projected 0.7mm diameter miniature iridium plug) SV --- 0.4mm diameter iridium with platinum ground electrode T --- 14 x 16.0 (Tapered seat) TR@ --- 14 x 20.6 (For marine applications) W --- 14 x 20.6   --- 14 x 19.0 (Compact type) X --- 12 x 18.0 mm XE --- 12 x 14.0 XU --- 12 x 16.0 U --- 10 x 16.0 U --- 10 x 14.0 (U20M-U Only) N --- 10 x 16.0 Y --- 8 x 13.0 Z --- 1/2PF x 23.8 Z --- 0.55 mm diameter iridium * --- Reach: 19.0 + --- ISO compatible @ ---Reach: 12.7

 

 

Indice thermique Heat Range DENSO NGK CHAMPION BOSCH 9 2 18 10 14 4 16,14 9 16 5 12,11 8 20 6 10,9 7,6 22 7 8,7 5 24 8 6,63,61 4 27 9 4,59 3 29 9.5 57   31 10 55 2 32 10.5 53   34 11     35 11.5

 

 

Longueur de culot Reach A --- 19mm (Electrode position: 7mm)   --- 21.5mm B --- 19.0mm (Electrode position: 9.5mm C --- 19.0mm (Electrode position: 5.0mm) D --- 19.0mm (Shroud: 2mm) E (avec joint) --- 19.0mm 20.0mm E (Taper seat) --- 17.5mm F --- 12.7mm FE --- 19.0mm (Half thread) G --- 19.0mm (Shroud: 2.8mm)   --- 19.0mm (Shroud: 3.0mm) H --- 19.0mm (Electrode position: 8.5mm)   --- 26.5mm L --- 11.2mm M --- 8.6mm N (Taper seat, HALF THREAD) --- 17.5mm V (Tapered seat) --- 25.0mm None --- 9.5mm 11.2mm 19.0mm 21.5mm None (Tapered seat) --- 8.3mm 11.2mm 11.2mm

 

 

Configuration d'électrode Shape (Type) A --- Double ground electrodes A --- Oblique ground electrode (For racing) AY --- Double ground electrodes with bent shape (special) B --- Triple ground electrodes BG --- Triple ground electrodes (shrouded) D --- Quadruple ground electrodes K --- 1mm Insulator projection LM --- Compact type (Hex size: 20.6mm) M --- Shortened insulator head length M --- Compact type (Hex Size: 19.0mm) N --- Racing type (Nickel electrode) Pt --- Racing type (Platinum electrodes) P --- Dépassant (dépassement 1.5 mm) S --- Non-projected (0mm projection)   --- Iridium on a single side T --- Double ground electrodes TM --- Double ground electrodes TN --- Double ground electrodes V --- Slant ground electrode X --- Fully projected (2.5mm projection)

 

 

Construction interne Internal Construction R --- Type résistif None --- Without Resistor < Exception > S29A, S29 both have Resistors

 

 

Type Shape (Type) -A --- Special specification -B --- Special specification -C --- Cut-back ground electrode -E --- Special specification -F --- Special specification -G --- Grease applied on to threads, for CNG applications -GL --- Platinum center electrode -L --- For CVCC, with a withdrawn insulator   --- 3.5mm projected insulator for motorcycles   --- Withdrawn insulator for motorcycles   --- Thin center electrode for motorcycles   --- Heat resistant ground electrode -M --- Larger ground electrode -N --- For Yamaha and Kawasaki -P --- Ground electrode has a double layer of platinum   --- Center or ground electrode has platinum -S --- Semi-surface gap discharge type -S --- Stainless gasket -TP --- Platinum on center electrode, with taper cut ground electrode -U --- Electrode de section en U -US --- Star-shaped center electrode is used -V --- 0.7mm diameter platinum alloy center electrode -Z --- Taper cut -ZU --- ZU Plug

 

 

Ecartement Gap 5 --- 0.5mm (.020'') 8 --- 0.8mm (.032'') 9 --- 0.9mm (.035'') 10 --- 1.0mm (.040'') 11 --- 1.1mm (.044'') 13 --- 1.3mm (.050'') 14 --- 1.4mm (.055'') 15 --- 1.5mm (.060'') 20 --- 2.0mm (.080'') < None > Cars: 0.8mm M.C: 0.7mm < Exceptions > P16R, PQ16R, PQ20R are 1.1mm

 

Pour en savoir plus

Le site du fabricant Global Denso

   Bougies Denso

 

 

  Réagir à cette page Web