Exploded views Aprilia SR 50 R (2011, ZD4VFD00)

Carburettor

Exploded views

Cylinder gasket set -RMS 50cc- Piaggio 50cc LC (4-face head)
RMS
R100689050
RMS
Cylinder gasket set -RMS 50cc- Piaggio 50cc LC (4-face head)
The item is ordered and will be in stock soon
€5.99 *
*incl. VAT plus shipping costs
Cylinder gasket set -RMS 50cc- Piaggio 50cc LC (4-face head)
RMS
R100689050
RMS
Cylinder gasket set -RMS 50cc- Piaggio 50cc LC (4-face head)
The item is ordered and will be in stock soon
€5.99 *
*incl. VAT plus shipping costs
Reed valve -BGM PRO- Piaggio 50-180cc
bgm Pro
BGM2510
bgm Pro
Reed valve -BGM PRO- Piaggio 50-180cc
The item is ordered and will be in stock soon
€30.50 *
*incl. VAT plus shipping costs
Reed valve -BGM PRO Evolution 1- Piaggio 50-180cc
bgm Pro
BGM2519
bgm Pro
Reed valve -BGM PRO Evolution 1- Piaggio 50-180cc
Available immediately (delivery time 1-3 working days*)
€34.80 *
*incl. VAT plus shipping costs
Reed valve -PIAGGIO- Piaggio 50-180cc - steel petals
Piaggio
GP82775R
Piaggio
Reed valve -PIAGGIO- Piaggio 50-180cc - steel petals
Available immediately (delivery time 1-3 working days*)
€39.90 *
*incl. VAT plus shipping costs
Reed valve -MALOSSI MHR Replica- Piaggio 50-180cc - carbon fibre
Malossi
M277708
Malossi
Reed valve -MALOSSI MHR Replica- Piaggio 50-180cc - carbon fibre
Available immediately (delivery time 1-3 working days*)
€59.50 *
*incl. VAT plus shipping costs
Reed valve -MALOSSI MHR 45°- Piaggio 50-180cc
Malossi
M279490
Malossi
Reed valve -MALOSSI MHR 45°- Piaggio 50-180cc
Available immediately (delivery time 1-3 working days*)
€59.95 *
*incl. VAT plus shipping costs
Intake manifold -BGM PRO- Piaggio 50cc 2-stroke - CS=23mm
bgm Pro
A200
bgm Pro
Intake manifold -BGM PRO- Piaggio 50cc 2-stroke - CS=23mm
Available immediately (delivery time 1-3 working days*)
€13.99 *
*incl. VAT plus shipping costs
Intake manifold -101 OCTANE Twist- Piaggio 50cc = CS=23mm + CS=32mm
101 Octane
IP25736
101 Octane
Intake manifold -101 OCTANE Twist- Piaggio 50cc = CS=23mm + CS=32mm
Available immediately (delivery time 1-3 working days*)
€32.40 *
*incl. VAT plus shipping costs
Intake manifold -POLINI Corsa- Piaggio 50cc 2-stroke - CS=23mm
Polini
P2150406
Polini
Intake manifold -POLINI Corsa- Piaggio 50cc 2-stroke - CS=23mm
Available immediately (delivery time 1-3 working days*)
€43.85 *
*incl. VAT plus shipping costs
Intake manifold -101 OCTANE- 21mm unrestricted - for Piaggio 50-80 2T
101 Octane
IP12456
101 Octane
Intake manifold -101 OCTANE- 21mm unrestricted - for Piaggio 50-80 2T
Available immediately (delivery time 1-3 working days*)
€7.51 *
*incl. VAT plus shipping costs
Intake manifold -PIAGGIO- Piaggio 50cc 2-stroke - CS=23mm
Piaggio
1417260
Piaggio
Intake manifold -PIAGGIO- Piaggio 50cc 2-stroke - CS=23mm
Available immediately (delivery time 1-3 working days*)
€34.95 *
*incl. VAT plus shipping costs
Cylinder head -RMS 50 cc- Piaggio LC (4-edge head)
RMS
G70020
RMS
Cylinder head -RMS 50 cc- Piaggio LC (4-edge head)
The item is ordered and will be in stock soon
€35.49 *
*incl. VAT plus shipping costs
Nut with serrated flange, M6 x 1.0 -PIAGGIO-
Piaggio
GP288245
Piaggio
Nut with serrated flange, M6 x 1.0 -PIAGGIO-
Available immediately (delivery time 1-3 working days*)
€2.00 *
*incl. VAT plus shipping costs
cylinder head nut set -NARAKU-  4 pcs - M6 thread
variants Naraku
7673168
Naraku
cylinder head nut set -NARAKU- 4 pcs - M6 thread
further versions from €3.80
  • Available immediately (delivery time 1-3 working days*)
    M6
  • The item is ordered and will be in stock soon
    M7
  • The item is ordered and will be in stock soon
    M8
Clamp for intake manifold -PIAGGIO- Piaggio/Gilera 125-180ccm
Piaggio
GP825865
Piaggio
Clamp for intake manifold -PIAGGIO- Piaggio/Gilera 125-180ccm
The item is ordered and will be in stock soon
€1.95 *
*incl. VAT plus shipping costs
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 L- Gilera Runner RST / Derbi GP1 Open
Piaggio
GP847934
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 L- Gilera Runner RST / Derbi GP1 Open
The item is ordered and will be in stock soon
€119.00 *
*incl. VAT plus shipping costs
Carburettor  -PIAGGIO- Dell'Orto PHVA 17,5 RD- Vespa Primavera, Sprint
Piaggio
GP1A001894
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 RD- Vespa Primavera, Sprint
The item is ordered and will be in stock soon
€106.01 *
*incl. VAT plus shipping costs
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 ID- Gilera Runner / Zip SP 2
Piaggio
GP847562
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 ID- Gilera Runner / Zip SP 2
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€236.00 *
*incl. VAT plus shipping costs
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 RD- Vespa ET2
Piaggio
GP82674R
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 RD- Vespa ET2
The item is ordered and will be in stock soon
€131.00 *
*incl. VAT plus shipping costs
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 RD - Gilera Stalker
Piaggio
GP840886
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 RD - Gilera Stalker
Available immediately (delivery time 1-3 working days*)
€200.96 *
*incl. VAT plus shipping costs
Carburettor  -PIAGGIO- Dell'Orto PHVA 17,5 RD- Piaggio TPH Fly, Liberty, Aprilia Scarabeo, Gilera Ice, Storm
Piaggio
GP874672
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 RD- Piaggio TPH Fly, Liberty, Aprilia Scarabeo, Gilera Ice, Storm
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€236.00 *
*incl. VAT plus shipping costs
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 RD- Vespa LX 50, LXV 50
Piaggio
GP875416
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 RD- Vespa LX 50, LXV 50
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€213.95 *
*incl. VAT plus shipping costs
Carburettor -PIAGGIO- Dell'Orto PHVA17.5 RD - Piaggio NEW TPH, Aprilia SR 50 Motard, Sport City One
Piaggio
GP876642
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA17.5 RD - Piaggio NEW TPH, Aprilia SR 50 Motard, Sport City One
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€329.00 *
*incl. VAT plus shipping costs
Carburettor  -PIAGGIO- Dell'Orto PHVA 17,5 ID- Piaggio Zip SP2, Aprilia SR50 Street, SR50 R, Derbi GP1
Piaggio
GP833708
Piaggio
Carburettor -PIAGGIO- Dell'Orto PHVA 17,5 ID- Piaggio Zip SP2, Aprilia SR50 Street, SR50 R, Derbi GP1
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€236.00 *
*incl. VAT plus shipping costs
Caburator top cap -DELLORTO- PHVA
Dellorto
1456653
Dellorto
Caburator top cap -DELLORTO- PHVA
Available immediately (delivery time 1-3 working days*)
€9.29 *
*incl. VAT plus shipping costs
Throttle slide spring -DELLORTO- PHVA
Piaggio
GP482942
Piaggio
Throttle slide spring -DELLORTO- PHVA
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€1.70 *
*incl. VAT plus shipping costs
Main jet 53 -PIAGGIO- Vespa LX
Piaggio
GPCM101704
Piaggio
Main jet 53 -PIAGGIO- Vespa LX
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€12.39 *
*incl. VAT plus shipping costs
Jet -DELLORTO (type: 6413)- 6mm (53)
variants Dellorto
2506053
Dellorto
Jet -DELLORTO (type: 6413)- 6mm (53)
66 further versions from €2.69
  • Available immediately (delivery time 1-3 working days*)
    50
  • Available immediately (delivery time 1-3 working days*)
    52
  • Available immediately (delivery time 1-3 working days*)
    54
  • Available immediately (delivery time 1-3 working days*)
    56
Jet -DELLORTO (type: 11600)- 4mm (32)
variants Dellorto
2504032
Dellorto
Jet -DELLORTO (type: 11600)- 4mm (32)
4 further versions from €3.95
  • Available immediately (delivery time 1-3 working days*)
    32
  • Available immediately (delivery time 1-3 working days*)
    33
  • The item is ordered and will be in stock soon
    34
  • Available immediately (delivery time 1-3 working days*)
    36
Float chamber (with drain) -DELLORTO- PHVA Vergaser Ø=17,5mm (Piaggio Engines)
Piaggio
1484704
Piaggio
Float chamber (with drain) -DELLORTO- PHVA Vergaser Ø=17,5mm (Piaggio Engines)
Available immediately (delivery time 1-3 working days*)
€14.90 *
*incl. VAT plus shipping costs
Drain screw float chamber -DELLORTO- PHVA
Piaggio
GP432456
Piaggio
Drain screw float chamber -DELLORTO- PHVA
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€14.29 *
*incl. VAT plus shipping costs
Throttle slide -DELLORTO PHVA / PHBN 17,5- (30) - H=25mm, Ø=16mm
variants Dellorto
1828336
Dellorto
Throttle slide -DELLORTO PHVA / PHBN 17,5- (30) - H=25mm, Ø=16mm
further versions from €5.39
  • Available immediately (delivery time 1-3 working days*)
    30
  • Available immediately (delivery time 1-3 working days*)
    40
Automatic choke -DELLORTO/ARRECHE- carburettor Ø up to 22mm - rectangular connector
Naraku
CA800061
Naraku
Automatic choke -DELLORTO/ARRECHE- carburettor Ø up to 22mm - rectangular connector
The item is ordered and will be in stock soon
€17.90 *
*incl. VAT plus shipping costs
Automatic choke -PIAGGIO, DELLORTO- carburettor Ø up to 22mm - rectangular connector
Piaggio
GPCM105905
Piaggio
Automatic choke -PIAGGIO, DELLORTO- carburettor Ø up to 22mm - rectangular connector
Available immediately (delivery time 1-3 working days*)
€85.75 *
*incl. VAT plus shipping costs
Needle -DELLORTO- A28
Piaggio
GPCM107510
Piaggio
Needle -DELLORTO- A28
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€15.90 *
*incl. VAT plus shipping costs
Screw -DIN 84- M5 x 15mm
Piaggio
GP288865
Piaggio
Screw -DIN 84- M5 x 15mm
Available immediately (delivery time 1-3 working days*)
€1.95 *
*incl. VAT plus shipping costs
Idle screw -DELLORTO- PHBN, PHVA
Piaggio
GP828074
Piaggio
Idle screw -DELLORTO- PHBN, PHVA
The item is ordered and will be in stock soon
€7.25 *
*incl. VAT plus shipping costs
Screw float chamber -DELLORTO- SHB, PHVA, PHVB, PHBN
Dellorto
C11561
Dellorto
Screw float chamber -DELLORTO- SHB, PHVA, PHVB, PHBN
Available immediately (delivery time 1-3 working days*)
€0.99 *
*incl. VAT plus shipping costs
Screw -DIN 7985- M4 x 6mm
OEM-Qualität
7676694
OEM-Qualität
Screw -DIN 7985- M4 x 6mm
Available immediately (delivery time 1-3 working days*)
€0.39 *
*incl. VAT plus shipping costs
Screw -PIAGGIO- Vespa LX
Piaggio
GP289575
Piaggio
Screw -PIAGGIO- Vespa LX
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€2.34 *
*incl. VAT plus shipping costs
Screw -PIAGGIO- M6 tear off type / anti-manipulation
Piaggio
1828152
Piaggio
Screw -PIAGGIO- M6 tear off type / anti-manipulation
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€1.89 *
*incl. VAT plus shipping costs
Needle circlip -DELLORTO- PHBN, PHVA, PHBG
Dellorto
2599004
Dellorto
Needle circlip -DELLORTO- PHBN, PHVA, PHBG
Available immediately (delivery time 1-3 working days*)
€1.79 *
*incl. VAT plus shipping costs
Float -DELLORTO- PHBN, PHVA, PHVB - including float needle
Dellorto
5350078
Dellorto
Float -DELLORTO- PHBN, PHVA, PHVB - including float needle
Available immediately (delivery time 1-3 working days*)
€10.89 *
*incl. VAT plus shipping costs
Needle plate -DELLORTO- PHBN, PHVA
Dellorto
2599003
Dellorto
Needle plate -DELLORTO- PHBN, PHVA
Available immediately (delivery time 1-3 working days*)
€1.29 *
*incl. VAT plus shipping costs
Rubber cap for adjusting screw throttle cable -DELLORTO- PHBE, PHBN, PHVA
Piaggio
GP875551
Piaggio
Rubber cap for adjusting screw throttle cable -DELLORTO- PHBE, PHBN, PHVA
The item is ordered and will be in stock soon
€14.55 *
*incl. VAT plus shipping costs
Fuel/air mixture screw -DELLORTO- PHBN
Piaggio
GPCM107701
Piaggio
Fuel/air mixture screw -DELLORTO- PHBN
Available immediately (delivery time 1-3 working days*)
€12.90 *
*incl. VAT plus shipping costs
Caburator top cap -CMD SnakeHead- Keihin PWK33, PWK35, PWK38, PWK41
Crazy Monkey Development
CMDSH0010
Crazy Monkey Development
Caburator top cap -CMD SnakeHead- Keihin PWK33, PWK35, PWK38, PWK41
Available immediately (delivery time 1-3 working days*)
€39.90 *
*incl. VAT plus shipping costs
Caburator top cap -CMD SnakeHead- Dellorto PHBH
Crazy Monkey Development
CMDSH0012
Crazy Monkey Development
Caburator top cap -CMD SnakeHead- Dellorto PHBH
Available immediately (delivery time 1-3 working days*)
€39.90 *
*incl. VAT plus shipping costs
Throttle cable guide set -DELLORTO- M6 x  0.75 - 90°
variants Dellorto
2599993
Dellorto
Throttle cable guide set -DELLORTO- M6 x 0.75 - 90°
further versions from €7.60
  • Available immediately (delivery time 1-3 working days*)
    50°
  • Available immediately (delivery time 1-3 working days*)
    70°
  • Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
    90°
  • Available immediately (delivery time 1-3 working days*)
    180°
Caburator top cap -DELLORTO- PHVA
Dellorto
1456653
Dellorto
Caburator top cap -DELLORTO- PHVA
Available immediately (delivery time 1-3 working days*)
€9.29 *
*incl. VAT plus shipping costs
Float axle -DELLORTO- PHVA, PHBN
Piaggio
GP288881
Piaggio
Float axle -DELLORTO- PHVA, PHBN
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€5.75 *
*incl. VAT plus shipping costs
Spring -DELLORTO- SI (fuel/air mixture screw), PHVA PHBN (idle screw)
Dellorto
5350002
Dellorto
Spring -DELLORTO- SI (fuel/air mixture screw), PHVA PHBN (idle screw)
Available immediately (delivery time 1-3 working days*)
€1.59 *
*incl. VAT plus shipping costs
Spring -PIAGGIO- Vespa LX
Piaggio
GP152608
Piaggio
Spring -PIAGGIO- Vespa LX
Item is available and will be ordered for you (delivery time 2-5 working days for instant payment with credit card or Paypal)
€4.45 *
*incl. VAT plus shipping costs
Electronic choke clip -DELLORTO- PHVA, PHBN
Dellorto
1288863
Dellorto
Electronic choke clip -DELLORTO- PHVA, PHBN
Available immediately (delivery time 1-3 working days*)
€2.15 *
*incl. VAT plus shipping costs
Schlauch Runner 50Sp -PIAGGIO- Gilera Runner
Piaggio
GP484260
Piaggio
Schlauch Runner 50Sp -PIAGGIO- Gilera Runner
The item is ordered and will be in stock soon
€21.88 *
*incl. VAT plus shipping costs
Hose clip -PIAGGIO- Ø = 7mm
Piaggio
GPCM002901
Piaggio
Hose clip -PIAGGIO- Ø = 7mm
Available immediately (delivery time 1-3 working days*)
€0.89 *
*incl. VAT plus shipping costs
Hose clip -UNIVERSAL- Ø = 7mm
variants OEM-Qualität
C-3040-7
OEM-Qualität
Hose clip -UNIVERSAL- Ø = 7mm
further versions from €0.70
  • Available immediately (delivery time 1-3 working days*)
    Ø=7mm
  • Available immediately (delivery time 1-3 working days*)
    Ø=9mm
  • Available immediately (delivery time 1-3 working days*)
    Ø=12mm
  • Available immediately (delivery time 1-3 working days*)
    Ø=14mm
Thermostat -PIAGGIO- Piaggio 50-180 cc LC 2-stroke
Piaggio
293410
Piaggio
Thermostat -PIAGGIO- Piaggio 50-180 cc LC 2-stroke
Available immediately (delivery time 1-3 working days*)
€56.95 *
*incl. VAT plus shipping costs
Schraube -PIAGGIO- Gilera Runner
Piaggio
GP256756
Piaggio
Schraube -PIAGGIO- Gilera Runner
The item is ordered and will be in stock soon
€5.05 *
*incl. VAT plus shipping costs
Haube -PIAGGIO- Vespa GTV
Piaggio
GP63435
Piaggio
Haube -PIAGGIO- Vespa GTV
The item is ordered and will be in stock soon
€5.50 *
*incl. VAT plus shipping costs
Spark plug -PIAGGIO- Champion N1C -
Piaggio
GP438069
Piaggio
Spark plug -PIAGGIO- Champion N1C -
The item is ordered and will be in stock soon
€7.85 *
*incl. VAT plus shipping costs
Spark plug -PIAGGIO- Champion RN2C -
Piaggio
GP438066
Piaggio
Spark plug -PIAGGIO- Champion RN2C -
Available immediately (delivery time 1-3 working days*)
€6.90 *
*incl. VAT plus shipping costs
Spark plug -PIAGGIO- Champion RN1C -
Piaggio
GP438031
Piaggio
Spark plug -PIAGGIO- Champion RN1C -
Available immediately (delivery time 1-3 working days*)
€10.15 *
*incl. VAT plus shipping costs
Spark plug -NGK B ES- B10ES
variants NGK
3300036
NGK
Spark plug -NGK B ES- B10ES
1 further versions from €3.86
  • Available immediately (delivery time 1-3 working days*)
    B6ES
  • Available immediately (delivery time 1-3 working days*)
    B7ES
  • Available immediately (delivery time 1-3 working days*)
    B8ES
  • Available immediately (delivery time 1-3 working days*)
    B9ES
Spark plug -NGK BR EG- BR9EG
NGK
3300013
NGK
Spark plug -NGK BR EG- BR9EG
further versions from €10.95
  • Available immediately (delivery time 1-3 working days*)
    BR9EG
Available immediately (delivery time 1-3 working days*)
€10.95 *
*incl. VAT plus shipping costs
Spark Plug -DENSO W ESRU- W31ESRU
Nippon Denso
3400020
Nippon Denso
Spark Plug -DENSO W ESRU- W31ESRU
further versions from €6.05
  • Available immediately (delivery time 1-3 working days*)
    W31ESRU
Available immediately (delivery time 1-3 working days*)
€6.05 *
*incl. VAT plus shipping costs
Spark plug -NGK BR EIX- Iridium IX - BR10EIX
variants NGK
7676418
NGK
Spark plug -NGK BR EIX- Iridium IX - BR10EIX
further versions from €17.90
  • Available immediately (delivery time 1-3 working days*)
    BR7EIX
  • Available immediately (delivery time 1-3 working days*)
    BR8EIX
  • Available immediately (delivery time 1-3 working days*)
    BR9EIX
  • Available immediately (delivery time 1-3 working days*)
    BR10EIX
Spark plug -NGK BR EIX- Iridium IX - BR9EIX
variants NGK
7676417
NGK
Spark plug -NGK BR EIX- Iridium IX - BR9EIX
further versions from €17.90
  • Available immediately (delivery time 1-3 working days*)
    BR7EIX
  • Available immediately (delivery time 1-3 working days*)
    BR8EIX
  • Available immediately (delivery time 1-3 working days*)
    BR9EIX
  • Available immediately (delivery time 1-3 working days*)
    BR10EIX
Spark plug -NGK B ES- B9ES
variants NGK
3300009
NGK
Spark plug -NGK B ES- B9ES
1 further versions from €3.86
  • Available immediately (delivery time 1-3 working days*)
    B6ES
  • Available immediately (delivery time 1-3 working days*)
    B7ES
  • Available immediately (delivery time 1-3 working days*)
    B8ES
  • Available immediately (delivery time 1-3 working days*)
    B9ES
Spark plug -NGK BR ES- BR9ES
variants NGK
3300030
NGK
Spark plug -NGK BR ES- BR9ES
further versions from €4.95
  • Available immediately (delivery time 1-3 working days*)
    BR6ES
  • Available immediately (delivery time 1-3 working days*)
    BR7ES
  • Available immediately (delivery time 1-3 working days*)
    BR8ES
  • Available immediately (delivery time 1-3 working days*)
    BR9ES
Spark Plug -DENSO W ESU- W27ESU
variants Nippon Denso
3400016
Nippon Denso
Spark Plug -DENSO W ESU- W27ESU
further versions from €3.45
  • Available immediately (delivery time 1-3 working days*)
    W22ESU
  • Available immediately (delivery time 1-3 working days*)
    W24ESU
  • Available immediately (delivery time 1-3 working days*)
    W27ESU
Spark plug -NGK BR ES- BR9ES - Solid Type
NGK
3300030S
NGK
Spark plug -NGK BR ES- BR9ES - Solid Type
Available immediately (delivery time 1-3 working days*)
€5.59 *
*incl. VAT plus shipping costs
Spark plug -PIAGGIO 50cc 2T- Aprilia, Derbi, Gilera, Piaggio, Vespa -
Piaggio
GP438075
Piaggio
Spark plug -PIAGGIO 50cc 2T- Aprilia, Derbi, Gilera, Piaggio, Vespa -
Available immediately (delivery time 1-3 working days*)
€6.00 *
*incl. VAT plus shipping costs